English Dictionary

act up

動詞

慣用表現 自動詞

(intransitive, idiomatic) To misbehave; to cause trouble. / (intransitive, idiomatic) To perform the duties of an appointment senior to that actually held; to deputise for a superior.

日本語の意味

（自動詞、慣用表現）悪さをする、問題を起こす / （自動詞、慣用表現）上司の役割を代行する、代理で職務を行う

The children always act up whenever their grandparents visit.

祖父母が来ると、子どもたちはいつも悪さをします。

意味（1）

(intransitive, idiomatic) To misbehave; to cause trouble.

My allergies act up during hay fever season.

意味（2）

(intransitive, idiomatic) To perform the duties of an appointment senior to that actually held; to deputise for a superior.

Acting up is always recommended when you find yourself under a new boss.

acts up （ present singular third-person ）

acting up （ participle present ）

acted up （ participle past ）

acted up （ past ）