紧握的英文：
cinch
clasp
clench
fist
grasp
grip
gripe
press
purchase
squeeze
grab

参考例句：

press sb.'s hand
紧握某人的手

Clench the railings(with both hands)
(双手)紧握栏杆

I want to hold your hand on Valentine's Day.
我想在情人节紧握你的手。

Firm hold or grip for pulling or raising sth,preventing it from slipping,etc;leverage
(为拉动或升举某物、防止滑落等的)紧握,紧抓;杠杆作用

His fists were clenched tight.
他紧握双拳。

Firm hold with the hand; grasp; grip
紧握；抓；攥

He held her hand in a firm clasp
他紧握她的手。

Squeeze(sb's hand)firmly and warmly when shaking hands as a greeting
紧握(某人的手)(热情欢迎时).

The child held his mother's hand firmly with both his hands.
那孩子双手紧握母亲的手。

Hung-chien tightly gripped the armrest of his chair to keep himself from jumping up
鸿渐紧握椅子的靠手，防自己跳起来。

clasp是什么意思：
n. 扣环，钩子；紧握；拥抱
v. 扣紧；紧拥，紧握

He clasped her by the hand.
他握住她的手。

She clasped the children to her.
她把孩子们紧紧地搂进怀里。

A piece of jewelry that fastens with a clasp or clip.
胸针用夹子或别针固定的一件首饰。

clench是什么意思：
v. 捏紧，攥紧，咬紧，握紧，抓牢，攥住

His fists were clenched tight.
他紧握双拳。

I clenched the arms of my chair.
我死死抓住椅子扶手。

He clenched the bottle by its neck.
他紧抓住瓶颈。