keep one 's mouth shut
Pinyin is Qi á NK ǒ Uji ǎ OSH é, which means to shut up because of surprise or fear. It comes from Wang Chong's on the potential husband in Han Dynasty.
Idiom usage
In the event of great interests, they are at a loss to do anything about it.
The origin of Idioms
In Wang Chong's on the hidden man of the Han Dynasty, it is said that "the wise man is so tongue tied that he is silent."
Idiom explanation
Tongs: close the mouth; tongues: raise the tongue. It is used to describe the appearance of silence due to surprise or fear.
keep one 's mouth shut
Carry on the past and open up the present - jì gǔ kāi jīn
splits off as it meets the edge of knife without effort - yíng rèn yǐ jiě
Grow others' ambition and destroy one's prestige - zhǎng tā rén zhì qì,miè zì jǐ wēi fēng