clench

UK:  [klentʃ]

US:  [klentʃ]

第三人称单数：clenches  现在分词：clenching  过去式：clenched  

v.

1.握紧(拳头);咬紧(牙关)

2.咬紧(牙);紧闭(嘴),(嘴)紧抿

3.(为加固目的)敲弯(钉头);敲紧,敲牢

4.捏紧,抓牢

5.〔体〕(拳击)揪扭

6.钳住

7.敲平

8.解决,确定(论据等);决定(交易等)

9.(铆钉等)钉牢;【拳击】揪扭,扭住;(手)握紧;咬紧

n.

1.钉牢;咬紧牙关;咬牙切齿

2.敲弯钉头

3.牢牢抓住

4.敲弯的钉头

5.【拳击】揪扭

1 . So the next time you're faced with a choice that takes self-control, clench your fist or firm that bicep. Your will might firm up, too.
所以下次你面临选择而需要控制自己时，就握紧拳头或鼓起肱二头肌吧。你的意志也会随之坚实起来。

2 . This action was to clench either their right or their left hand into a fist.
这个活动是左手或右手握紧拳头。

3 . As the untried , greenhorn commander-in-chief, perhaps he had no choice but to clench his previously unclenched fist.
作为没经验的、手生的总司令，他别无选择唯有先握紧他还未松开的拳头。

4 . Last week the White House press secretary said that thinking about the oil spill made the president clench his jaw.
上周，白宫新闻秘书说总统对泄漏事故正默默关注。

5 . When one is very angry , he is used to clench his fists. At the same time he might close his mouth tightly and clench his teeth .
当一个人非常生气或感到愤愤不平时，他往往会紧握拳头，有时还会咬紧牙关，瞪着眼睛。