cloud over

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

tối sầm lại, u ám

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

:
Her face clouded over when she heard the bad news.
Mặt cô ấy tối sầm lại khi nghe tin xấu.
His expression clouded over as he considered the implications.
Vẻ mặt anh ấy tối sầm lại khi anh ấy cân nhắc những hàm ý.
2.

u ám, có mây

If the sky or the weather clouds over, it becomes covered with clouds and looks as if it is going to rain.

:
The sky began to cloud over, threatening rain.
Bầu trời bắt đầu u ám, đe dọa mưa.
It was a beautiful morning, but by afternoon, it had clouded over.
Đó là một buổi sáng đẹp trời, nhưng đến chiều thì trời đã u ám.