| 单词 | tighten |
| 释义 | tighten ['taɪ.tən] verb intransitive or transitive ADVANCED ■to become tighter or to make something become tighter, firmer or less easy to move （使）变紧，（使）紧固 •Tighten the straps so they don't rub.把带子拉紧，这样它们就不会互相磨擦了。 •As he struggled, the ropes tightened even more.他越挣扎，绳子就勒得越紧。 ['taɪ.tən] verb intransitive or transitive tighten your belt ■to spend less money than you did before because you have less money 勒紧裤带，省吃俭用 •I've had to tighten my belt since I stopped working full-time.自从我停止全职工作以来，就不得不勒紧裤带过日子。 ['taɪ.tən] verb intransitive or transitive tighten the net ■(especially of the police) to become closer to catching someone, especially a criminal （尤指警方）收拢（抓捕罪犯的）网 •The police are tightening the net around ['taɪ.tən] verb intransitive or transitive Phrasal Verbs [M] tighten sth up ■to make something become tighter, firmer or less easy to move 使变紧，使紧固 •Now tighten up the screws.现在旋紧螺丝。 ['taɪ.tən] verb intransitive or transitive Phrasal Verbs [M] tighten (sth) up ■to make a rule, system, or law stronger and more difficult to avoid or ignore 使（规则、制度、法律）更严格 •Are there any plans to tighten up on |
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