Word · Frequency #2306
efficiency
效率；效能
the quality of using resources, time, or effort effectively without waste
- 1.
The extent to which a resource is used for the intended purpose.
资源用于预期目的的程度。
- 2.
the ratio of the output to the input of any system
任何系统输出与输入之比
- 3.
skillfulness in avoiding wasted time and effort
避免浪费时间和精力的技巧
效率；资源用于预期目的的程度。；任何系统输出与输入之比；避免浪费时间和精力的技巧；效能
In use
The new software improves the efficiency of our daily work.
We need to measure the efficiency of this machine.
Her efficiency at handling emails saves the team a lot of time.
she did the work with great efficiency
efficiency of [noun]
常用于描述某事物的效率。
The efficiency of the new engine is impressive.
新引擎的效率令人印象深刻。
efficiency in [doing sth]
强调在某个方面的效率。
We need to improve our efficiency in handling customer complaints.
我们需要提高处理客户投诉的效率。
Connections
Collocations
- energy efficiency
- 能源效率
- The new building is designed to maximize energy efficiency.这座新建筑旨在最大限度地提高能源效率。
- improve efficiency
- 提高效率
- We need to improve efficiency in our production line.我们需要提高生产线的效率。
- high efficiency
- 高效率
- This machine operates with high efficiency.这台机器以高效率运行。
- operational efficiency
- 运营效率
- The company is focused on increasing operational efficiency.公司专注于提高运营效率。
Idioms & figurative uses
- efficiency expert
- 效率专家The company hired an efficiency expert to streamline production.公司聘请了一位效率专家来简化生产流程。
Learner notes
Memory Tip
记忆法：efficiency 中 'e' 代表 energy（能量），'fficiency' 类似 sufficiency（充足），能量充足则效率高。
Context & Register
[object Object]
Grammar Note
泛指“效率”时通常不可数；efficiencies 强调不同类型的效率或具体指标。
Pronunciation & Spelling
The words deficiency, proficiency, and sufficiency rhyme with efficiency (stress on second syllable with /ɪ/). Frequency (stressed vowel /iː/), tendency (/ɛ/), and consistency (/ɪ/ but different stress pattern) are spelling lookalikes with different sounds.
Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.