efficient的解释

1. 效率高的，有效率的
2. 有能力的，能干的，能胜任的，有本事的，有本领的，有实力的
3. 有效的，生效的，收效大的
4. 精明能干的，颇精悍的，泼辣能干的
5. 利索的，敏捷的

1. being effective without wasting time or effort or expense;

   "an efficient production manager"
   "efficient engines save gas"
   

2. able to accomplish a purpose; functioning effectively;

   "people who will do nothing unless they get something out of it for themselves are often highly effective persons..."
   "effective personnel"
   "an efficient secretary"
   "the efficient cause of the revolution"
   

1.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.

e.g. With today's moreefficient 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。

• be fully efficient充分发挥效力的
• be highly efficient高效率的

• efficient in在…有成效

• He was an expert and efficient workman.

  出自：H. B. Stowe

• The appeal to sentiment was heartlessly efficient; it had struck him in the place where he was most vulnerable and at the hour when he was most alone.

  出自：G. Greene

2. efficient修饰人、事物、行为皆可，是“能胜任的”、“得力的”或“有效率的”的意思。

   He's not very efficient:he works very slowly.
   他不是很有效率，做的很慢。

3. efficient与effective，effectual和efficacious都不同：effective是“很有效的”意思，用于事物或人，一般是呈现出正确的结果或是解决了问题。effectual是“达到目的的”意思，不能用于人。efficacious是“必然有效的”意思，程度比effective轻，尤指药品。efficient是“有效率的”，可以用于人，事物和行为。