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to cloud over
[phrase form: cloud]
01
阴沉下来, 变得忧虑
(of a person's facial expression or mood) to suddenly become unhappy, worried, or troubled
02
云层遮挡, 被云层覆盖
(of the sky or a particular area) to become covered or obscured by clouds, resulting in a decrease in visibility
cloud over
v
例子
Her face clouded over when she received the unexpected news of her friend's accident.
As he recounted the traumatic experience, his expression clouded over with sadness and fear.
The teacher's face clouded over when she noticed that her students hadn't completed the assigned homework.
The joyous atmosphere at the party quickly changed as his expression clouded over with concern.
He was laughing and joking, but his mood suddenly clouded over when he received a disappointing phone call.
