Translation of "act up" - English-Mandarin Chinese dictionary

act up

phrasal verb with act /ækt/ verb

If a person, especially a child, acts up, they behave badly

(尤指孩子)捣乱,表现不好
Sophie got bored and started acting up. 索菲感到没意思,就开始调皮捣蛋起来。

If a machine or part of the body acts up, it does not perform as well as it should

(机器)运转不正常;(身体部位)出毛病
My car always acts up in cold weather. 天冷时,我的车老出故障。
Her shoulder was acting up (= hurting because of injury). 她的肩伤发作。

(Translation of “act up” from the Cambridge English-Chinese (Simplified) Dictionary © Cambridge University Press)