efficient
英 [ɪˈfɪʃnt]
美 [ɪˈfɪʃnt]
adj. 效率高的; 有能力的
Oxford 3000 / Collins.3 / BNC.2196 / COCA.2998
同义词辨析
effectiveeffectualefficient【导航词义：有效的】
effectiveadj. 有效的，起作用的
〔辨析〕
指有效用的或能产生预期效果的。
〔例证〕
The government took effective measures to reduce the price.
政府采取了有效措施来降低物价。
The talks between both sides were effective in settling their disputes.
双方会谈有效地解决了彼此间的纠纷。
政府采取了有效措施来降低物价。
The talks between both sides were effective in settling their disputes.
双方会谈有效地解决了彼此间的纠纷。
effectualadj. 〈正式〉有效果的，有实效的
〔辨析〕
指产生希望或想要的结果的，只用于事物，如举措、药物、对策等。
〔例证〕
The government hasn't worked out the effectual measures to combat unemployment.
政府尚未找到应对失业的有效措施。
Quinine is an effectual preventive for malaria.
奎宁是预防疟疾的有效药物。
政府尚未找到应对失业的有效措施。
Quinine is an effectual preventive for malaria.
奎宁是预防疟疾的有效药物。
efficientadj. 有效率的，高效能的
〔辨析〕
既可指人也可指事物，强调不浪费时间、金钱、能源等的。
〔例证〕
She is an efficient secretary.
她是一位得力的秘书。
The diesel engine is highly efficient.
这台柴油机效率很高。
她是一位得力的秘书。
The diesel engine is highly efficient.
这台柴油机效率很高。
牛津词典
adj.
- 效率高的；有能力的
doing sth well and thoroughly with no waste of time, money, or energy- an efficient secretary
效率高的秘书 - efficient heating equipment
效能好的供暖设备 - the efficient use of energy
能源的有效利用 - As we get older, our bodies become less efficient at burning up calories.
随着一天天衰老，我们的身体消耗热量的功能逐渐减弱。 - fuel-efficient cars (= that do not use much fuel)
节能汽车
- an efficient secretary
柯林斯词典
- ADJ-GRADED 效率高的;效能高的
If something or someone isefficient, they are able to do tasks successfully, without wasting time or energy.- With today's more efficient contraception women can plan their families and careers.
如今有了更加有效的避孕方法，女性便可以规划她们的家庭和事业。
- With today's more efficient contraception women can plan their families and careers.