1
be efficient at (doing) sth
表示在某方面或做某事时效率高。
She is very efficient at organizing files.
她整理文件非常高效。
高效的；效率高的；有效率的
先理解核心含义，再看它在真实句子里的用法。
高效的；效率高的；有效率的
working well without wasting time, effort, or resources; making good, careful use of what is available; able to accomplish a purpose effectively
She is very efficient at organizing files.
她整理文件非常高效。
高效利用资源的,不浪费的；尤指善于利用时间或精力的。
Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.
有效率地完成任务,不浪费时间、精力或费用
being effective without wasting time or effort or expense
表示过程中有效利用的能量所占比例；有用输出与总输入之比。
Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful output to total input.
能够实现目的；有效运作
able to accomplish a purpose; functioning effectively; -G.B.Shaw
The new manufacturing process is very efficient, saving both time and resources.
新的制造过程非常高效，既节省时间又节省资源。
AI contextual example
She is an efficient manager who always completes tasks ahead of schedule.
她是一位高效的经理，总能提前完成任务。
AI contextual example
The efficient design of the appliance reduces electricity consumption by 30%.
该电器的节能设计将耗电量降低了30%。
AI contextual example
an efficient production manager
一位干练的生产经理。
WordNet
表示在某方面或做某事时效率高。
She is very efficient at organizing files.
她整理文件非常高效。
与at类似，但更强调过程或领域。
This machine is efficient in converting solar energy.
这台机器转换太阳能效率高。
直接修饰名词，表示高效的事物。
We need an efficient system to handle complaints.
我们需要一个高效的投诉处理系统。
Not this
The efficient of the new software is impressive.
Use this
The efficiency of the new software is impressive.
“efficient”是形容词，不能直接用作名词，应改用名词“efficiency”。
Not this
This method is efficient to save time.
Use this
This method is efficient in saving time.
“efficient”后常接介词“in”或“at”加动名词，表示在某方面高效，不能直接接不定式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
高效率的
The new machine is highly efficient.
新机器效率很高。
节能的
We should buy energy-efficient appliances.
我们应该买节能电器。
成本效益高的
This solution is more cost efficient.
这个解决方案更具成本效益。
有效的方法
There is a more efficient way to do it.
有一种更有效的方法来做这件事。
有效利用
Efficient use of resources is important.
资源的有效利用很重要。
高效系统
The company implemented an efficient system.
公司实施了一套高效系统。
我将不得不成为有史以来最高效的火星农民。
This new system is much more efficient than the old one.
这个新系统比旧系统高效得多。
Use efficient naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
efficient 发音类似'易飞升'（容易飞起来），寓意高效。
语域：中性；典型语境：工作、操作、系统；注意：通常用于描述方法、流程或人员能力，强调不浪费时间或精力。
The words sufficient, proficient, deficient, and coefficient rhyme with efficient (all end in /ˈfɪʃənt/). Efficiency shares the first three syllables but ends in /fɪʃənsi/, so it is a useful lookalike but not a rhyme.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.