Definitions
prep. Shows who or what performs an action in passive sentences.
由；被
prep. Using a particular method or means.
通过；以某种方式
prep. No later than a particular time.
不迟于；在……之前
Example
This wooden bowl was made by my grandfather.
这个木碗是我祖父做的。
Urban air quality can be improved by expanding public transport and encouraging residents to cycle more often.
扩大公共交通服务并鼓励居民更多骑车，可以改善城市空气质量。
Collocations
- by bus
- by doing something
- by the end of
- by hand
Usage tip
by表示截止时间；until表示状态持续到某时。
FAQ
- What does by mean?
- Shows who or what performs an action in passive sentences. Using a particular method or means. No later than a particular time.
- How is by pronounced?
- UK /baɪ/, US /baɪ/. Use the audio buttons above to listen.
