cloud over

US /klaʊd ˈoʊvər/
UK /klaʊd ˈoʊvər/
"cloud over" picture
1.

阴沉下来, 变暗

If a person's face clouds over, it shows that they are sad or angry.

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Her face clouded over when she heard the bad news.
听到坏消息时，她的脸阴沉下来。
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His expression clouded over as he considered the implications.
他考虑后果时，表情阴沉下来。
:
frownglowerscowldarkengloom
2.

阴云密布, 多云

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.
天空开始阴云密布，预示着要下雨。
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It was a beautiful morning, but by afternoon, it had clouded over.
那是一个美丽的早晨，但到了下午，天空就阴沉下来了。
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overcastdarkengloomhaze
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cloudbe on cloud ninea cloud on the horizonoverovereatinghave your head in the cloudspull over