tighten

tighten
verb
  1. make or become tight or tighter
    (使)变紧;(使)绷紧;(使)变得更严格
    central government has tightened control over local authority spending.
    中央政府已经加强了对地方当局支出的控制。
    [no obj.]the revenue laws were tightening up.
    税收律法更加严格。
常用词组
tighten one's belt
  1. 见 belt
tighten the screw
  1. 见 screw
英语宝典
考试词汇表