英语词汇tighten up (on sth)怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	tighten up (on sth)
释义	●ˌtighten ˈup (on sth)to become stricter or more careful 变得更加严格（或小心）◆Laws on gambling have tightened up recently. 有关赌博的法律最近变得更加严厉。◆The police are tightening up on under-age drinking. 警方正在采取更加严厉的措施对付未成年人饮酒的问题。 See also tighten
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