clench bolt结合螺栓
clench teeth咬紧牙关
clench clockwork时钟机构
to clench钉牢
clench klentF握紧
clench nailing[木] 弯钉钉合;弯脚钉合
Clench Jean街道地址
clench nail弯头钉
V-T/V-I（及物动词/不及物动词） When you clench your fist or your fist clenches, you curl your fingers up tightly, usually because you are very angry. (常指因生气而) 握紧 (拳头)
Alex clenched her fists and gritted her teeth.
亚丽克斯握紧拳头，咬紧牙。
V-T/V-I（及物动词/不及物动词） When you clench your teeth or they clench, you squeeze your teeth together firmly, usually because you are angry or upset. (常指因生气或不安而) 咬紧 (牙)
Patsy had to clench her jaw to suppress her anger.
帕茜不得不咬紧牙关来压下怒火。
V-T（及物动词） If you clench something in your hand or in your teeth, you hold it tightly with your hand or your teeth. 握紧; 咬紧
I clenched the arms of my chair.
我紧紧握住我的椅子扶手。