Rat dung
As a Chinese idiom, the Pinyin is sh ǔ sh ǐ w ū g ē ng, which means that the metaphor adds something bad, thus destroying the original beauty. It's from "the true praise of yuan in Wu province".
The origin of Idioms
In Song Dynasty, Sun Xun's postscript to yuan zhenzan of Wu Province, it is said that "the elder Duke of Wu, who was highly respected by the past, wrote a verse of self praise, which is all in the language of Buddha and Bodhisattva. He who wants to recite three times, and who knows the truth at home, is afraid of being ridiculed."
Idiom usage
It is often used in figurative sentences
Chinese PinYin : shǔ shǐ wū gēng
Rat dung
impossible to acquire a peaceful end. bù dé shàn zhōng