Idioms CEFR400(C2:1-50)

Idioms CEFR400(B1-C2)
Name
Idioms CEFR400(C2:1-50)

C2 – 1 … in view of
… in view of
… In view of the unprecedented risks, the plan was revised.
… In view of mounting concerns, action became necessary.
… in view of is Considering something.
… in view of

/ in view of

… In view of the unprecedented risks, the plan was revised.

/ In view of the unprecedented risks, the plan was revised.

… In view of the unprecedented risks, the plan was revised.

… In view of mounting concerns, action became necessary.

/ In view of mounting concerns, action became necessary.

… In view of mounting concerns, action became necessary.

C2 – 2 … in respect of
… in respect of
… The report is clear in respect of specific obligations.
… In respect of legal matters, the policy is sound.
… in respect of is Regarding; concerning.
… in respect of

/ in respect of

… The report is clear in respect of specific obligations.

/ The report is clear in respect of specific obligations.

… The report is clear in respect of specific obligations.

… In respect of legal matters, the policy is sound.

/ In respect of legal matters, the policy is sound.

… In respect of legal matters, the policy is sound.

C2 – 3 … as regards
… as regards
… As regards the broader impact, the findings are significant.
… As regards ethical concerns, the debate continues.
… as regards is About; concerning.
… as regards

/ as regards

… As regards the broader impact, the findings are significant.

/ As regards the broader impact, the findings are significant.

… As regards the broader impact, the findings are significant.

… As regards ethical concerns, the debate continues.

/ As regards ethical concerns, the debate continues.

… As regards ethical concerns, the debate continues.

C2 – 4 … on the assumption that
… on the assumption that
… The model works on the assumption that underlying trends remain stable.
… They acted on the assumption that critical data was accurate.
… on the assumption that is Believing that something is true.
… on the assumption that

/ on the assumption that

… The model works on the assumption that underlying trends remain stable.

/ The model works on the assumption that underlying trends remain stable.

… The model works on the assumption that underlying trends remain stable.

… They acted on the assumption that critical data was accurate.

/ They acted on the assumption that critical data was accurate.

… They acted on the assumption that critical data was accurate.

C2 – 5 … at the core of
… at the core of
… Trust lies at the core of sustainable relationships.
… Innovation is at the core of transformative progress.
… at the core of is At the most central or essential part.
… at the core of

/ at the core of

… Trust lies at the core of sustainable relationships.

/ Trust lies at the core of sustainable relationships.

… Trust lies at the core of sustainable relationships.

… Innovation is at the core of transformative progress.

/ Innovation is at the core of transformative progress.

… Innovation is at the core of transformative progress.

C2 – 6 … at the forefront of
… at the forefront of
… The team is at the forefront of cutting-edge research.
… She stands at the forefront of global reform.
… at the forefront of is Leading or most important in a field.
… at the forefront of

/ at the forefront of

… The team is at the forefront of cutting-edge research.

/ The team is at the forefront of cutting-edge research.

… The team is at the forefront of cutting-edge research.

… She stands at the forefront of global reform.

/ She stands at the forefront of global reform.

… She stands at the forefront of global reform.

C2 – 7 … beyond the scope of
… beyond the scope of
… The issue is beyond the scope of conventional analysis.
… The task goes beyond the scope of standard methods.
… beyond the scope of is Outside the limits of something.
… beyond the scope of

/ beyond the scope of

… The issue is beyond the scope of conventional analysis.

/ The issue is beyond the scope of conventional analysis.

… The issue is beyond the scope of conventional analysis.

… The task goes beyond the scope of standard methods.

/ The task goes beyond the scope of standard methods.

… The task goes beyond the scope of standard methods.

C2 – 8 … for the sake of
… for the sake of
… He compromised for the sake of collective stability.
… She acted for the sake of long-term harmony.
… for the sake of is For the benefit or purpose of something.
… for the sake of

/ for the sake of

… He compromised for the sake of collective stability.

/ He compromised for the sake of collective stability.

… He compromised for the sake of collective stability.

… She acted for the sake of long-term harmony.

/ She acted for the sake of long-term harmony.

… She acted for the sake of long-term harmony.

C2 – 9 … without regard to
… without regard to
… They proceeded without regard to potential consequences.
… The rule applies without regard to individual differences.
… without regard to is Ignoring something.
… without regard to

/ without regard to

… They proceeded without regard to potential consequences.

/ They proceeded without regard to potential consequences.

… They proceeded without regard to potential consequences.

… The rule applies without regard to individual differences.

/ The rule applies without regard to individual differences.

… The rule applies without regard to individual differences.

C2 – 10 … irrespective of
… irrespective of
… Irrespective of external pressure, she stayed firm.
… Irrespective of prevailing trends, the plan continued.
… irrespective of is Regardless of something.
… irrespective of

/ irrespective of

… Irrespective of external pressure, she stayed firm.

/ Irrespective of external pressure, she stayed firm.

… Irrespective of external pressure, she stayed firm.

… Irrespective of prevailing trends, the plan continued.

/ Irrespective of prevailing trends, the plan continued.

… Irrespective of prevailing trends, the plan continued.

C2 – 11 … short of
… short of
… Short of miraculous change, the outcome is fixed.
… Short of drastic action, nothing will improve.
… short of is Except for; lacking.
… short of

/ short of

… Short of miraculous change, the outcome is fixed.

/ Short of miraculous change, the outcome is fixed.

… Short of miraculous change, the outcome is fixed.

… Short of drastic action, nothing will improve.

/ Short of drastic action, nothing will improve.

… Short of drastic action, nothing will improve.

C2 – 12 … against the backdrop of
… against the backdrop of
… The decision was made against the backdrop of intense uncertainty.
… The reform emerged against the backdrop of historic tension.
… against the backdrop of is In the context of something happening.
… against the backdrop of

/ against the backdrop of

… The decision was made against the backdrop of intense uncertainty.

/ The decision was made against the backdrop of intense uncertainty.

… The decision was made against the backdrop of intense uncertainty.

… The reform emerged against the backdrop of historic tension.

/ The reform emerged against the backdrop of historic tension.

… The reform emerged against the backdrop of historic tension.

C2 – 13 … the lion’s share
… the lion’s share
… She handled the lion’s share of the complex workload.
… The project consumed the lion’s share of available resources.
… the lion’s share is The largest portion.
… the lion’s share

/ the lion’s share

… She handled the lion’s share of the complex workload.

/ She handled the lion’s share of the complex workload.

… She handled the lion’s share of the complex workload.

… The project consumed the lion’s share of available resources.

/ The project consumed the lion’s share of available resources.

… The project consumed the lion’s share of available resources.

C2 – 14 … the rule of thumb
… the rule of thumb
… A rule of thumb in advanced research is to verify everything.
… The rule of thumb is useful in practical scenarios.
… the rule of thumb is A general practical guideline.
… the rule of thumb

/ the rule of thumb

… A rule of thumb in advanced research is to verify everything.

/ A rule of thumb in advanced research is to verify everything.

… A rule of thumb in advanced research is to verify everything.

… The rule of thumb is useful in practical scenarios.

/ The rule of thumb is useful in practical scenarios.

… The rule of thumb is useful in practical scenarios.

C2 – 15 … a means to an end
… a means to an end
… For him, fame was merely a means to an end in strategic pursuits.
… The compromise was a means to an end in political negotiations.
… a means to an end is Something done to achieve a goal.
… a means to an end

/ a means to an end

… For him, fame was merely a means to an end in strategic pursuits.

/ For him, fame was merely a means to an end in strategic pursuits.

… For him, fame was merely a means to an end in strategic pursuits.

… The compromise was a means to an end in political negotiations.

/ The compromise was a means to an end in political negotiations.

… The compromise was a means to an end in political negotiations.

C2 – 16 … a zero-sum game
… a zero-sum game
… Competition became a zero-sum game in high-stakes markets.
… The conflict turned into a zero-sum game with irreconcilable sides.
… a zero-sum game is A situation where one’s gain is another’s loss.
… a zero-sum game

/ a zero-sum game

… Competition became a zero-sum game in high-stakes markets.

/ Competition became a zero-sum game in high-stakes markets.

… Competition became a zero-sum game in high-stakes markets.

… The conflict turned into a zero-sum game with irreconcilable sides.

/ The conflict turned into a zero-sum game with irreconcilable sides.

… The conflict turned into a zero-sum game with irreconcilable sides.

C2 – 17 … a level playing field
… a level playing field
… The policy aims to create a level playing field for marginalized groups.
… Technology can offer a level playing field in global education.
… a level playing field is Fair conditions for everyone.
… a level playing field

/ a level playing field

… The policy aims to create a level playing field for marginalized groups.

/ The policy aims to create a level playing field for marginalized groups.

… The policy aims to create a level playing field for marginalized groups.

… Technology can offer a level playing field in global education.

/ Technology can offer a level playing field in global education.

… Technology can offer a level playing field in global education.

C2 – 18 … a vested interest
… a vested interest
… They had a vested interest in maintaining the status quo.
… His vested interest influenced critical decisions.
… a vested interest is A personal stake in something.
… a vested interest

/ a vested interest

… They had a vested interest in maintaining the status quo.

/ They had a vested interest in maintaining the status quo.

… They had a vested interest in maintaining the status quo.

… His vested interest influenced critical decisions.

/ His vested interest influenced critical decisions.

… His vested interest influenced critical decisions.

C2 – 19 … a sense of entitlement
… a sense of entitlement
… His sense of entitlement was deeply problematic.
… A growing sense of entitlement emerged in privileged circles.
… a sense of entitlement is The belief that one deserves special treatment.
… a sense of entitlement

/ a sense of entitlement

… His sense of entitlement was deeply problematic.

/ His sense of entitlement was deeply problematic.

… His sense of entitlement was deeply problematic.

… A growing sense of entitlement emerged in privileged circles.

/ A growing sense of entitlement emerged in privileged circles.

… A growing sense of entitlement emerged in privileged circles.

C2 – 20 … a change of heart
… a change of heart
… She had a change of heart after profound reflection.
… He experienced a change of heart during intense debate.
… a change of heart is A change in opinion or feelings.
… a change of heart

/ a change of heart

… She had a change of heart after profound reflection.

/ She had a change of heart after profound reflection.

… She had a change of heart after profound reflection.

… He experienced a change of heart during intense debate.

/ He experienced a change of heart during intense debate.

… He experienced a change of heart during intense debate.

C2 – 21 … a clash of interests
… a clash of interests
… The meeting revealed a clash of interests among powerful stakeholders.
… A clash of interests stalled major negotiations.
… a clash of interests is A conflict between different goals.
… a clash of interests

/ a clash of interests

… The meeting revealed a clash of interests among powerful stakeholders.

/ The meeting revealed a clash of interests among powerful stakeholders.

… The meeting revealed a clash of interests among powerful stakeholders.

… A clash of interests stalled major negotiations.

/ A clash of interests stalled major negotiations.

… A clash of interests stalled major negotiations.

C2 – 22 … a growing concern
… a growing concern
… Climate change is a growing concern with far-reaching effects.
… The shortage became a growing concern in critical sectors.
… a growing concern is Something becoming increasingly worrying.
… a growing concern

/ a growing concern

… Climate change is a growing concern with far-reaching effects.

/ Climate change is a growing concern with far-reaching effects.

… Climate change is a growing concern with far-reaching effects.

… The shortage became a growing concern in critical sectors.

/ The shortage became a growing concern in critical sectors.

… The shortage became a growing concern in critical sectors.

C2 – 23 … a mounting pressure
… a mounting pressure
… The team faced mounting pressure amid volatile conditions.
… Mounting pressure forced immediate action.
… a mounting pressure is Increasing stress or demands.
… a mounting pressure

/ a mounting pressure

… The team faced mounting pressure amid volatile conditions.

/ The team faced mounting pressure amid volatile conditions.

… The team faced mounting pressure amid volatile conditions.

… Mounting pressure forced immediate action.

/ Mounting pressure forced immediate action.

… Mounting pressure forced immediate action.

C2 – 24 … a common misconception
… a common misconception
… It’s a common misconception in academic circles.
… The idea is a common misconception with pervasive influence.
… a common misconception is A widely held but incorrect belief.
… a common misconception

/ a common misconception

… It’s a common misconception in academic circles.

/ It’s a common misconception in academic circles.

… It’s a common misconception in academic circles.

… The idea is a common misconception with pervasive influence.

/ The idea is a common misconception with pervasive influence.

… The idea is a common misconception with pervasive influence.

C2 – 25 … a compelling reason
… a compelling reason
… There is a compelling reason for radical reform.
… She offered a compelling reason backed by substantial evidence.
… a compelling reason is A strong and convincing reason.
… a compelling reason

/ a compelling reason

… There is a compelling reason for radical reform.

/ There is a compelling reason for radical reform.

… There is a compelling reason for radical reform.

… She offered a compelling reason backed by substantial evidence.

/ She offered a compelling reason backed by substantial evidence.

… She offered a compelling reason backed by substantial evidence.

C2 – 26 … a driving force
… a driving force
… Innovation is a driving force behind global progress.
… Her leadership became a driving force in institutional change.
… a driving force is Something that motivates or pushes progress.
… a driving force

/ a driving force

… Innovation is a driving force behind global progress.

/ Innovation is a driving force behind global progress.

… Innovation is a driving force behind global progress.

… Her leadership became a driving force in institutional change.

/ Her leadership became a driving force in institutional change.

… Her leadership became a driving force in institutional change.

C2 – 27 … a crucial factor
… a crucial factor
… Trust is a crucial factor in long-term cooperation.
… Timing was a crucial factor in strategic success.
… a crucial factor is An essential element.
… a crucial factor

/ a crucial factor

… Trust is a crucial factor in long-term cooperation.

/ Trust is a crucial factor in long-term cooperation.

… Trust is a crucial factor in long-term cooperation.

… Timing was a crucial factor in strategic success.

/ Timing was a crucial factor in strategic success.

… Timing was a crucial factor in strategic success.

C2 – 28 … a viable alternative
… a viable alternative
… The proposal offers a viable alternative to conventional methods.
… Solar energy is a viable alternative in sustainable development.
… a viable alternative is A workable and practical option.
… a viable alternative

/ a viable alternative

… The proposal offers a viable alternative to conventional methods.

/ The proposal offers a viable alternative to conventional methods.

… The proposal offers a viable alternative to conventional methods.

… Solar energy is a viable alternative in sustainable development.

/ Solar energy is a viable alternative in sustainable development.

… Solar energy is a viable alternative in sustainable development.

C2 – 29 … a formidable challenge
… a formidable challenge
… Ending poverty is a formidable challenge with systemic barriers.
… The mission posed a formidable challenge requiring meticulous planning.
… a formidable challenge is A very difficult challenge.
… a formidable challenge

/ a formidable challenge

… Ending poverty is a formidable challenge with systemic barriers.

/ Ending poverty is a formidable challenge with systemic barriers.

… Ending poverty is a formidable challenge with systemic barriers.

… The mission posed a formidable challenge requiring meticulous planning.

/ The mission posed a formidable challenge requiring meticulous planning.

… The mission posed a formidable challenge requiring meticulous planning.

C2 – 30 … a cause for concern
… a cause for concern
… The data is a cause for concern in scientific communities.
… Rising costs are a cause for concern across industrial sectors.
… a cause for concern is A reason to worry.
… a cause for concern

/ a cause for concern

… The data is a cause for concern in scientific communities.

/ The data is a cause for concern in scientific communities.

… The data is a cause for concern in scientific communities.

… Rising costs are a cause for concern across industrial sectors.

/ Rising costs are a cause for concern across industrial sectors.

… Rising costs are a cause for concern across industrial sectors.

C2 – 31 … a matter of concern
… a matter of concern
… Safety remains a matter of concern in high-risk environments.
… The trend is a matter of concern for policy makers.
… a matter of concern is Something people are worried about.
… a matter of concern

/ a matter of concern

… Safety remains a matter of concern in high-risk environments.

/ Safety remains a matter of concern in high-risk environments.

… Safety remains a matter of concern in high-risk environments.

… The trend is a matter of concern for policy makers.

/ The trend is a matter of concern for policy makers.

… The trend is a matter of concern for policy makers.

C2 – 32 … a breath of fresh air
… a breath of fresh air
… Her perspective was a breath of fresh air in stagnant debate.
… The new approach felt like a breath of fresh air in rigid systems.
… a breath of fresh air is Something pleasantly new or refreshing.
… a breath of fresh air

/ a breath of fresh air

… Her perspective was a breath of fresh air in stagnant debate.

/ Her perspective was a breath of fresh air in stagnant debate.

… Her perspective was a breath of fresh air in stagnant debate.

… The new approach felt like a breath of fresh air in rigid systems.

/ The new approach felt like a breath of fresh air in rigid systems.

… The new approach felt like a breath of fresh air in rigid systems.

C2 – 33 … inextricably linked to
… inextricably linked to
… Success is inextricably linked to consistent effort.
… The issues are inextricably linked to structural inequality.
… inextricably linked to is Impossible to separate from.
… inextricably linked to

/ inextricably linked to

… Success is inextricably linked to consistent effort.

/ Success is inextricably linked to consistent effort.

… Success is inextricably linked to consistent effort.

… The issues are inextricably linked to structural inequality.

/ The issues are inextricably linked to structural inequality.

… The issues are inextricably linked to structural inequality.

C2 – 34 … to a lesser extent
… to a lesser extent
… The rule applies to a lesser extent in specialized fields.
… The impact is felt to a lesser extent among experienced workers.
… to a lesser extent is Not as much; to a smaller degree.
… to a lesser extent

/ to a lesser extent

… The rule applies to a lesser extent in specialized fields.

/ The rule applies to a lesser extent in specialized fields.

… The rule applies to a lesser extent in specialized fields.

… The impact is felt to a lesser extent among experienced workers.

/ The impact is felt to a lesser extent among experienced workers.

… The impact is felt to a lesser extent among experienced workers.

C2 – 35 … to the detriment of
… to the detriment of
… They expanded to the detriment of local communities.
… He prioritized profit to the detriment of ethical standards.
… to the detriment of is Causing harm to something.
… to the detriment of

/ to the detriment of

… They expanded to the detriment of local communities.

/ They expanded to the detriment of local communities.

… They expanded to the detriment of local communities.

… He prioritized profit to the detriment of ethical standards.

/ He prioritized profit to the detriment of ethical standards.

… He prioritized profit to the detriment of ethical standards.

C2 – 36 … on the premise that
… on the premise that
… The plan works on the premise that fundamental needs are met.
… They acted on the premise that reliable data existed.
… on the premise that is Based on the idea that something is true.
… on the premise that

/ on the premise that

… The plan works on the premise that fundamental needs are met.

/ The plan works on the premise that fundamental needs are met.

… The plan works on the premise that fundamental needs are met.

… They acted on the premise that reliable data existed.

/ They acted on the premise that reliable data existed.

… They acted on the premise that reliable data existed.

C2 – 37 … with the exception of
… with the exception of
… With the exception of rare cases, the rule holds.
… With the exception of minor errors, the report is accurate.
… with the exception of is Except for something.
… with the exception of

/ with the exception of

… With the exception of rare cases, the rule holds.

/ With the exception of rare cases, the rule holds.

… With the exception of rare cases, the rule holds.

… With the exception of minor errors, the report is accurate.

/ With the exception of minor errors, the report is accurate.

… With the exception of minor errors, the report is accurate.

C2 – 38 … in and of itself
… in and of itself
… The idea in and of itself is intrinsically flawed.
… The rule in and of itself is insufficient.
… in and of itself is By itself; independently.
… in and of itself

/ in and of itself

… The idea in and of itself is intrinsically flawed.

/ The idea in and of itself is intrinsically flawed.

… The idea in and of itself is intrinsically flawed.

… The rule in and of itself is insufficient.

/ The rule in and of itself is insufficient.

… The rule in and of itself is insufficient.

C2 – 39 … for that matter
… for that matter
… He dislikes bureaucracy, and meetings for that matter, in general.
… The policy is ineffective, and outdated for that matter, in modern contexts.
… for that matter is Regarding that; actually.
… for that matter

/ for that matter

… He dislikes bureaucracy, and meetings for that matter, in general.

/ He dislikes bureaucracy, and meetings for that matter, in general.

… He dislikes bureaucracy, and meetings for that matter, in general.

… The policy is ineffective, and outdated for that matter, in modern contexts.

/ The policy is ineffective, and outdated for that matter, in modern contexts.

… The policy is ineffective, and outdated for that matter, in modern contexts.

C2 – 40 … by virtue of
… by virtue of
… She succeeded by virtue of exceptional talent.
… The law applies by virtue of constitutional authority.
… by virtue of is Because of; due to.
… by virtue of

/ by virtue of

… She succeeded by virtue of exceptional talent.

/ She succeeded by virtue of exceptional talent.

… She succeeded by virtue of exceptional talent.

… The law applies by virtue of constitutional authority.

/ The law applies by virtue of constitutional authority.

… The law applies by virtue of constitutional authority.

C2 – 41 … in conjunction with
… in conjunction with
… The system works in conjunction with advanced software.
… The method is used in conjunction with complementary tools.
… in conjunction with is Together with something.
… in conjunction with

/ in conjunction with

… The system works in conjunction with advanced software.

/ The system works in conjunction with advanced software.

… The system works in conjunction with advanced software.

… The method is used in conjunction with complementary tools.

/ The method is used in conjunction with complementary tools.

… The method is used in conjunction with complementary tools.

C2 – 42 … in line with
… in line with
… The results are in line with prevailing theories.
… The policy is in line with international standards.
… in line with is Matching or consistent with.
… in line with

/ in line with

… The results are in line with prevailing theories.

/ The results are in line with prevailing theories.

… The results are in line with prevailing theories.

… The policy is in line with international standards.

/ The policy is in line with international standards.

… The policy is in line with international standards.

C2 – 43 … in no small measure
… in no small measure
… The success was due in no small measure to her unwavering dedication.
… The progress was achieved in no small measure through collective effort.
… in no small measure is To a great extent.
… in no small measure

/ in no small measure

… The success was due in no small measure to her unwavering dedication.

/ The success was due in no small measure to her unwavering dedication.

… The success was due in no small measure to her unwavering dedication.

… The progress was achieved in no small measure through collective effort.

/ The progress was achieved in no small measure through collective effort.

… The progress was achieved in no small measure through collective effort.

C2 – 44 … as opposed to
… as opposed to
… They chose quality as opposed to superficial appeal.
… She values depth as opposed to simplistic views.
… as opposed to is Instead of; in contrast to.
… as opposed to

/ as opposed to

… They chose quality as opposed to superficial appeal.

/ They chose quality as opposed to superficial appeal.

… They chose quality as opposed to superficial appeal.

… She values depth as opposed to simplistic views.

/ She values depth as opposed to simplistic views.

… She values depth as opposed to simplistic views.

C2 – 45 … in favor of
… in favor of
… The committee voted in favor of sweeping reform.
… He argued in favor of comprehensive change.
… in favor of is Supporting something.
… in favor of

/ in favor of

… The committee voted in favor of sweeping reform.

/ The committee voted in favor of sweeping reform.

… The committee voted in favor of sweeping reform.

… He argued in favor of comprehensive change.

/ He argued in favor of comprehensive change.

… He argued in favor of comprehensive change.

C2 – 46 … in place of
… in place of
… They used digital tools in place of obsolete systems.
… She chose collaboration in place of isolated work.
… in place of is Instead of something.
… in place of

/ in place of

… They used digital tools in place of obsolete systems.

/ They used digital tools in place of obsolete systems.

… They used digital tools in place of obsolete systems.

… She chose collaboration in place of isolated work.

/ She chose collaboration in place of isolated work.

… She chose collaboration in place of isolated work.

C2 – 47 … in comparison with
… in comparison with
… The results are impressive in comparison with previous studies.
… The new model is efficient in comparison with traditional methods.
… in comparison with is When compared to something.
… in comparison with

/ in comparison with

… The results are impressive in comparison with previous studies.

/ The results are impressive in comparison with previous studies.

… The results are impressive in comparison with previous studies.

… The new model is efficient in comparison with traditional methods.

/ The new model is efficient in comparison with traditional methods.

… The new model is efficient in comparison with traditional methods.

C2 – 48 … in contrast to
… in contrast to
… In contrast to conventional wisdom, the data suggests otherwise.
… Her calmness stands in contrast to the turbulent environment.
… in contrast to is Opposite to something.
… in contrast to

/ in contrast to

… In contrast to conventional wisdom, the data suggests otherwise.

/ In contrast to conventional wisdom, the data suggests otherwise.

… In contrast to conventional wisdom, the data suggests otherwise.

… Her calmness stands in contrast to the turbulent environment.

/ Her calmness stands in contrast to the turbulent environment.

… Her calmness stands in contrast to the turbulent environment.

C2 – 49 … on account of
… on account of
… The event was canceled on account of severe weather.
… He resigned on account of irreconcilable differences.
… on account of is Because of something.
… on account of

/ on account of

… The event was canceled on account of severe weather.

/ The event was canceled on account of severe weather.

… The event was canceled on account of severe weather.

… He resigned on account of irreconcilable differences.

/ He resigned on account of irreconcilable differences.

… He resigned on account of irreconcilable differences.

C2 – 50 … on the basis of
… on the basis of
… The decision was made on the basis of rigorous analysis.
… They acted on the basis of credible evidence.
… on the basis of is Based on something.
… on the basis of

/ on the basis of

… The decision was made on the basis of rigorous analysis.

/ The decision was made on the basis of rigorous analysis.

… The decision was made on the basis of rigorous analysis.

… They acted on the basis of credible evidence.

/ They acted on the basis of credible evidence.

… They acted on the basis of credible evidence.