更新时间：2026-03-20 13:24:53作者：教师设计网
| 单词 | act up |
| 释义 | act up1.■[口语]2.■(汽车、机器)运转不正常；失灵；出毛病：The car's engine is beginning to act up.汽车发动机在开始失灵。3.■(身体某部分)疼痛起来，作痛，(疾病)发作：His stomach acted up after dinner.饭后他的胃病发作了。4.■举止不端；捣蛋，调皮；任性，使性子，耍脾气，发怒：The children have been acting up all evening.整个晚上孩子们都在调皮捣蛋。5.■做出适当的反应，适当地做出反应：When the girls tease him,he doesn't quite know how to act up.姑娘们拿他逗乐时，他就没辙了。6.■炫耀，表现：The kid likes to act up for the benefit of anyone who cares to notice.这孩子喜欢做各种动作来惹人注意。 |
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