lower one 's banners and muffle one 's drums
As a Chinese idiom, the Pinyin is y ǎ NQ í P ú g ǔ, which originally refers to hiding one's whereabouts from the enemy when marching; now it refers to the end of things or the weakening of momentum; the same as "stop fighting". It's from the book of power legal system.
The origin of Idioms
Su Xun of Song Dynasty wrote in the book of power · legal system: "if the flag is down and the drum is down, if it's quiet and lifeless, the soldiers should be strict, and those who dare to fight will be killed."
Idiom usage
It can be used as predicate, attributive and object; it can be used as metaphor to stop fighting, etc.
lower one 's banners and muffle one 's drums
I don't know there is shame in the world - bù shí rén jiān yǒu xiū chǐ shì
great virtue carries happiness with it - hòu dé zǎi fú