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 the smugglers.警方逐渐缩小包围圈，逼近走私犯人。
['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 advertising controls?有计划加强对广告的监管吗？ |