紧闭嘴唇 meaning in English

press lips tightly

Have client place meter mouthpiece in the mouth and close lips , making a firm seal
让病人将计量器放入口中，紧闭嘴唇，使不漏气。
Mysticsm is a term which means mystos keeping silence or myen to be closed ( i . e . ， the eyes or lips ) ， something unspeakable
神秘主义一词意指保持沉默或紧闭嘴唇，是无法言说。
The little old colonel with the half - shut eyes was there , greedily gnawing at a mutton - bone , and the general of twenty - two years irreproachable service , flushed with a glass of vodka and his dinner , and the staff - officer with the signet ring , and zherkov , stealing uneasy glances at every one , and prince andrey , pale with set lips and feverishly glittering eyes
其中包括：眼睛半开半合的小老头，他贪婪地啃着羊骨头军二十二年的无可指责的将军，他一面用餐，一面喝伏特加酒佐餐，满面红光校官戴着一只刻有名字的戒指热尔科夫惴惴不安地望着众人安德烈公爵脸色苍白，紧闭嘴唇，一对冷热病的眼睛发亮。