tighten

/ˈtaɪtn/ v.
标准词条 CET-4
一句话记住

拉紧，使变紧；加强，严格化

释义与例句

v. 拉紧，使变紧；加强，严格化
to make or become tight or tighter; to make rules or controls stricter
  1. Tighten the screws so they won't come loose.
    拧紧螺丝，以免松动。
  2. The government decided to tighten the rules on immigration.
    政府决定加强移民规定。
展开其余 1 条例句
  1. She tightened her grip on the railing.
    她紧紧抓住栏杆。

词源与构词

记忆钩子 tight(紧的)+en(使…)→使变紧

词族与关联词

词族（同一词根派生出的不同词性或形式）
  • tight 紧的，牢固的
    adj.
  • tightly 紧紧地
    adv.
同义词
  • fasten 系紧，固定
    侧重扣紧、固定
    Please fasten your seat belt before take-off. 起飞前请系好安全带。
反义词
  • loosen 松开，放松
    tighten 的直接反义
    Loosen the knot so I can untie it. 把结松开，这样我就能解开了。
常见搭配
  • tighten one's belt 勒紧裤腰带，节省开支
    During the recession, many families had to tighten their belts. 经济衰退期间，许多家庭不得不勒紧裤腰带。
  • tighten the rules 加强规则
    The school has tightened the rules on mobile phone use. 学校加强了对手机使用的规定。
  • tighten a screw 拧紧螺丝
    Use a screwdriver to tighten the screw properly. 用螺丝刀把螺丝拧紧。