act up 隐藏摘要 
胡闹,出毛病
回复:每天一句俚语
act up 胡闹,出毛病
The children started to act up as soon as the teacher left the room.
http://tieba.baidu.com/f?kz=465997842 - 基于138个网页
调皮
act up to 遵守
act up 调皮
act upon 遵照
http://crazyenglish.org/fengkuangbaoku/baodian/20071208/17845.html - 基于24个网页
发作,尤指疾病发作
acquire a taste 对……有兴趣,开始喜欢
act up 发作,尤指疾病发作
add up 加,加起来,加到一起
http://www.etc.edu.cn/articledigest45/%D0%C5%CF%A2%B9%B2%CF%ED%BF%D5%BC%E4%C0%ED%C2%DB%C4%A3%D0%CD%BD%A8%B9%B9%D3%EB%B6%AF%C1%A6%BB%FA%D6%C6%D1%D0%BE%BF.pdf - 基于24个网页
运作不正常
13.When dad’s back acts up,we stop. 当爸爸的背不舒服时我们就得停下来
act up=运作不正常
14.Hit a sore spot,didnt I? 说到你痛处了,是不是?
http://bbs.edu.sina.com.cn/treeforum/App/view.php?fid=24437&tbid=2099&bbsid=45&subid=5 - 基于19个网页
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