I'll sit and clench my teeth and never tell you one thing.
我会咬紧牙关坐着，一件事也不告诉你。
Some people clench or grind their teeth while they sleep, a condition called bruxism.
一些人睡觉时紧咬牙关或磨牙，这种情况称之为磨牙症。
Toward the end of a fierce game, when everyone is nearly exhausted, who can clench ones teeth and hold on to the end is certainly a hero.
第三句说当激烈的比赛快要结束时，每个人都已精疲力竭，而咬紧牙关坚持到底的人就一定是英雄。 这一句是对图画的呼应--图上的运动员发出会心的微笑，他一定是在赛场上拼尽全力坚持到最后的人，可能正是他最后五分钟的进球为整个球队赢得了胜利。
In 1988, psychologist Fritz Stack asked a group of participants to clench a pencil between their teeth for 20 seconds so that their lips did not touch it, creating the impression of a smile.
1988年，心理学家FritzStack让一组参与者用牙咬住一支铅笔20秒，以便不被嘴唇碰到，这样就有了一个微笑的表情。
It is a harvest season, mom helped grandma corn, accidentally got hurt in the foot, walk with a limp, every step to clench one's teeth, is very difficult.
那是一个秋收季节，妈妈帮奶奶收割庄稼时，不小心脚受了伤，走路一跛一跛的，每走一步都要咬紧牙关，显得非常吃力。
Mom. Mind unconsciously again mother die look that shed and unwilling, Huo Yuhao can not help clench one's teeth.
“妈妈……”脑海中不自觉的再次出现了母亲离世时神色间的那份不舍与不甘，霍雨浩就不禁咬紧牙关。
Fortunately, they clench the teeth to bear the ache, and finally reluctantly cross the first pass, washing.
幸好他们咬紧牙关忍住疼痛，总算勉强渡过了洗髓的第一关。
Perhaps we will meet the thorn on the advance path, but the victory will certainly belong to us so long as we clench the teeth.
也许在前进的道路上会遇到荆棘，但是只要咬紧牙关，胜利一定属于我们。
I felt my jaws clench and teeth grind together.
我感到双颚紧闭，牙齿紧紧咬在一起。
I thought I heard his teeth clench together.
我想我听到了他咬牙发出的声响。
I thought I heard his teeth clench together.
我想我听到了他咬牙发出的声响。
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