cloud over
US /klaʊd ˈoʊvər/
UK /klaʊd ˈoʊvər/

1.
2.
흐려지다, 구름이 끼다
If the sky or the weather clouds over, it becomes covered with clouds and looks as if it is going to rain.
:
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The sky began to cloud over, threatening rain.
하늘이 흐려지기 시작했고, 비가 올 것 같았다.
•
It was a beautiful morning, but by afternoon, it had clouded over.
아름다운 아침이었지만, 오후에는 흐려졌다.