| 单词 | efficient |
| 释义 | efficient (once / 180 pages) adj The adjective efficient describes function and use with the least amount of waste and most economy. When you want to define the adjective efficient, it's a good idea to say as much as you can in as few words as possible because to be efficient is to be economical and avoid waste in actions or uses. The word comes from the Latin efficientem which means "work out" or "accomplish." Synonyms of efficient are effective, productive, and competent. WORD FAMILYefficient: efficiency, efficiently, inefficient+/efficiency: efficiencies/inefficiency: inefficiencies/inefficient: inefficiency, inefficiently USAGE EXAMPLESSince his accident, he’s done more of his bicycle training indoors, and been surprised by how efficient it is. Washington Times(Jan 01, 2017) Now the authority is spending about that much to remove the old sign and replace it with a more efficient one that’s an exact replica. Washington Times(Dec 31, 2016) They're also capable of amazing intellectual feats: solving mazes, maintaining a balanced diet and even “designing” an efficient railway system. Washington Post(Dec 30, 2016) 1adj being effective without wasting time or effort or expense an efficient production manager efficient engines save gas Syn|Ant competent properly or sufficiently qualified or capable or efficient effective, effectual, efficaciousproducing or capable of producing an intended result or having a striking effect businesslikeexhibiting methodical and systematic characteristics that would be useful in business cost-effective, cost-efficientproductive relative to the cost economic, economicalusing the minimum of time or resources necessary for effectiveness expeditiousmarked by speed and efficiency high-octaneused of gasoline; having a high octane number streamlinedmade efficient by stripping off nonessentials inefficient not producing desired results; wasteful incompetentnot qualified or suited for a purpose ineffective, ineffectual, uneffectivenot producing an intended effect uneconomical, wastefulinefficient in use of time and effort and materials 2adj able to accomplish a purpose; functioning effectively an efficient secretary the efficient cause of the revolution Syn effective competent properly or sufficiently qualified or capable or efficient |
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