效力
The effectiveness, validity, or legal force of something (like a law, medicine, or contract).
예시
3 / 5研究旨在评估该政策在长期内的效力。
The study aims to evaluate the effectiveness of the policy in the long term.
这种药的效力通常可以维持六小时。
The efficacy of this medicine usually lasts for six hours.
这份协议已经失效，不再具有约束力。
This agreement has expired and no longer has binding force.
어휘 가족
암기 팁
效 (effect) + 力 (power) = the power to have an effect.
빠른 퀴즈
根据规定，口头协议也可能具有一定的法律___。
정답!
정답은: 效力
예시
研究旨在评估该政策在长期内的效力。
academicThe study aims to evaluate the effectiveness of the policy in the long term.
这种药的效力通常可以维持六小时。
everydayThe efficacy of this medicine usually lasts for six hours.
这份协议已经失效，不再具有约束力。
businessThis agreement has expired and no longer has binding force.
法律效力不溯及既往。
formalLegal force does not apply retroactively.
这招儿挺管用的，效力挺强。
informalThis trick works well; it's quite effective.
어휘 가족
자주 쓰는 조합
자주 쓰는 구문
同等效力
equal validity
追溯效力
retroactive effect
具有效力
to be valid
자주 혼동되는 단어
效率 is speed/output (efficiency), while 效力 is validity or power to produce results (effectiveness).
사용 참고사항
Used in formal contexts like law, medicine, and official policy evaluations.
자주 하는 실수
Often confused with '效率' (efficiency) by learners. Remember: 效力 is about 'power/validity'.
암기 팁
效 (effect) + 力 (power) = the power to have an effect.
어원
Combines 'effect' (效) and 'strength/force' (力).
문법 패턴
빠른 퀴즈
根据规定，口头协议也可能具有一定的法律___。
정답!
정답은: 效力
관련 어휘
legal 관련 단어
规章
B1Rules and regulations established by an organization or government to control behavior or procedures.
履行
B1To carry out a promise, duty, or contract. It is a formal way of saying 'to do' what you are required to do.
颁布
B1To officially announce or issue a law, decree, or regulation to the public.
申诉
B2To appeal a decision or make a formal statement of grievance to a higher authority, often in a legal or administrative context.
违约
B2To fail to fulfill the terms of a contract or agreement.
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