set in
US /set ɪn/
UK /set ɪn/

短语动词
1.
开始, 持续
When something unpleasant or difficult sets in, it begins and seems likely to continue.
示例:
•
The rain set in for the entire weekend.
雨持续了整个周末。
•
Once the cold weather sets in, it's hard to get rid of it.
一旦寒冷天气来临,就很难摆脱。
2.
养成, 油然而生
If a belief or habit sets in, it becomes fixed and difficult to change.
示例:
•
Once bad habits set in, they are hard to break.
一旦坏习惯养成,就很难改掉。
•
A feeling of despair set in after the news.
消息传来后,绝望感油然而生。
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