Last Updated
：2025/11/20
act up
Verb
idiomatic
intransitive
Japanese Meaning
（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
Sense（1）
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
Quizzes for review
(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.
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See correct answer
act up
The children always act up whenever their grandparents visit.
See correct answer
The children always act up whenever their grandparents visit.
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English - English
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