set in

基本解释

The spring-sowing time has set in.
春播季节到来了。
《新英汉大辞典》
Virtually all of the ex-expats with whom I spoke have had the same feelings and most also said that they began to set in several months after their return.
事实上，我所联系到的所有曾经在国外生活的人都有同样的感觉，而且大多数人都说他们是在回国后过了几个月才开始有这种感受的。
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But presently it was set in a greenhouse, where the sunlight fell warm upon it, and water was sprinkled over it, and day by day as it waited, a change began to come to it.
但是过了不久，黏土又给人放进了一间温室，这里阳光和煦地照射着它，并且经常给它喷水，这样就在它一天天静静等候的时候，某种变化终于开始到来。

In nineteen seventy, James Conaway wrote a crime novel called The Big Easy. The story was set in New Orleans.
Synge's play, The Playboy of the Western World it was set in the Aran Islands, in Western Ireland.
辛格的剧，《西方世界的花花公子》,它是在西爱尔兰的伊朗岛。
耶鲁公开课 - 现代诗歌课程节选
set in World War Two, so a very big moment in our history, so.
以二战为背景，这是我们历史上非常重要的时刻。
英国电影的魅力 - SpeakingMax英语口语达人

If not, then Skilling will be released and a new trial will be set in place.
FORBES: Jeff Skilling on Trial - Again

If something unpleasant sets in, it begins and seems likely to continue or develop.