clench
v
1 [Tn] close (sth) tightly or press (two things) firmly together 紧闭(某物); 将(两物)紧压在一起
clench one´s fist/jaws/teeth 攥紧拳头[咬紧牙关/咬牙]
a clenched-fist salute 握拳礼.
2 [Tn, Tn.pr]
~ sb/sth (in/with sth) grasp or hold sb/sth firmly 抓紧或握紧某人[某物]
clench the railings (with both hands) (双手)紧握栏杆
money clenched tightly in one´s fist 在拳头里攥著的钱.