| 释义 |
act up
[英] [ækt ʌp]
[美] [ækt ʌp]
[短语] 运作不正常；调皮
词频排名 25811/55435
学习人数 310
难度等级 5/10
认知比例 37.39%
例句
"If the pressure is too low, the heating system will act up."
如果压力太低，供暖系统就会出毛病。
The children always act up when their mother is out.
母亲不在家，孩子们总是调皮捣蛋。
The car's engine is beginning to act up.
这辆车的引擎开始出毛病了。
助记
联想
小屁孩故意演着戏(act)，爬上(up)树，真的很调皮(act up)
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