efficient

adj.

1. 效率高的；有能力的
   doing sth well and thoroughly with no waste of time, money, or energy
   1. an efficient secretary
      效率高的秘书
   2. efficient heating equipment
      效能好的供暖设备
   3. the efficient use of energy
      能源的有效利用
   4. 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。
   5. fuel-efficient cars (= that do not use much fuel)
      节能汽车

1. ADJ-GRADED 效率高的;效能高的
   If something or someone is efficient, they are able to do tasks successfully, without wasting time or energy.
   1. 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。

1. By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier, more wasteful nations.
   通过投资高效能的工厂，它可以节余很多宝贵的碳信用额来出售给更富有、更浪费的国家。
2. The metro is efficient and spotlessly clean
   地铁非常快捷，而且一尘不染。
3. Some of the most efficient refrigerators consume 70 percent less electricity than traditional models.
   一些极为节能的冰箱比传统型号耗电减少70%。
4. 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。
5. Luckily, Sue is very efficient and does an excellent job as Fred's personal assistant.
   幸运的是，作为弗雷德的私人助理，休办事效率很高，工作很出色。
6. Service was outstandingly friendly and efficient, falling down on only one detail
   服务态度极佳，效率也蛮高，仅在一个小地方不尽人意。
7. Futurists agree that these trends will grow as telecommunications networks become cheaper and more efficient.
   未来学家一致认为，随着电信网络资费的降低和效率的提高，这些趋势将会越来越明显。
8. Regulators may gum up an efficient system
   管理者可能会使一个行之有效的制度陷于瘫痪。
9. An efficient bulb may lighten the load of power stations
   一个节能灯泡也许就能减轻发电站的负荷。
10. The pill is the most efficient method of birth control.
    服用避孕药是最有效的避孕方法。
11. These people are very efficient, very organized and excellent time managers.
    这些人做事效率很高，井井有条，并且十分善于管理时间。
12. As we get older the temperature-regulating mechanisms in the body tend to become a little less efficient.
    随着年龄的增长，人体体温调节机制的功能往往会有所弱化。
13. She was efficient and reliable
    她办事很有效率，也很可靠。
14. Taking risks is the only way employees can provide effective and efficient customer service
    员工能够为客户提供有价值、高效的服务的唯一途径就是敢于冒险。
15. The creation of an efficient and sustainable transport system is critical to the long-term future of London.
    建立一套高效稳定的交通体系对伦敦的长远发展意义重大。
16. The service desk at the entrance, with its friendly, helpful and efficient staff, sets the tone for the rest of the store.
    入口处设有服务台，加之友好、热心与高效的服务人员，营造了这家商店的整体氛围。
17. This is currently the most efficient way to transmit certain types of data like electronic mail
    这是目前传送电子邮件等某些类型的数据的最高效方式。
18. An efficient transport system is critical to the long-term future of London.
    高效的公共交通系统对伦敦长远的未来至关重要。
19. The improved farm tools are efficient as well as easy to handle.
    新式农具既轻巧，又出活。
20. Mr. Wang is very efficient.
    王先生办事干净利落。
21. It is a well and efficient exercise of medical aid.
    这是一次出色的救护演习。
22. Every organ of state must apply the principle of efficient and simple administration.
    国家机关必须实行精简的原则。
23. She was quick and efficient, and soon, a lavish dinner was laid out.
    她手脚麻利，不一会儿一桌酒菜就端上来了。
24. She is a quick and efficient writer.
    她笔头快，出活儿。
25. She is an efficient manageress.
    她是一个有能力的经理。
26. She was very efficient in reducing waste.
    她在减少浪费方面很有办法。
27. This machine is efficient.
    这台机器效率高。
28. As we shall not deal with algorithmic problems, we leave the term "efficient" undefined.
    因为不讨论算法问题，我们对“有效”这一术语不作具体解释。
29. Even with proper and efficient coordination, planning may still be insensitive to the wishes of consumers.
    即使加以适当而有效的协调，计划制定对于消费者的愿望仍可能不够敏感。
30. The engineers try to make products attractive, efficient, and safe.
    工程师们试图制造出安全、高效、诱人的产品。

  effective effectual efficient【导航词义：有效的】

  effective adj. 有效的，起作用的

〔辨析〕指有效用的或能产生预期效果的。

  effectual adj. 〈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。

  efficient adj. 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。