v. (使)变紧,更加牢固; 使更加严格; 加强
过去式:tightened过去分词:tightened现在分词:tightening第三人称单数:tightens
Collins.2 / BNC.4294 / COCA.4536
verb
1. 拧紧,旋紧(螺钉、螺丝帽等) 2. 使(规定、政策、制度)更加严格;使更加有效 3. 加紧工作;加强管理;严格要求
tighten up (on sth)
v.
tighten your belt
verb
Synonym: reduce
Synonym: stiffentighten upconstrain
Synonym: fasten