v.收紧( tighten的过去式和过去分词 );(使)变紧;(使)绷紧;加紧;
例句:
Her lips tightened. The feeling of mutual antagonism was increased.
她的嘴唇紧闭着,双方的敌对情绪增加了.
Lao Yang thought as he subconsciously tightened his grasp on the rifle.
他下意识地攥紧枪把想.
They tightened the loopholes in those acts.
他们堵住了那些法案中的漏洞.