clench
vt.紧握，抓紧；钉牢；[航海] 系紧：用绳结捆绑
n.抓紧，咬紧；抓紧用具
网络解释.牢牢抓住；敲弯；铆紧；钉牢
词形变化:
过去式：clenched 过去式：clenched 过去式：clenching 过去式：clenches
vt.1.捏紧,握紧;抓紧释义下的同义词
grasp clutch grip hold
双语例句
1. 1 . Patsy had to clench her jaw to suppress her anger.
帕奇只得咬紧牙关压住怒气。
来自柯林斯例句