diamond in the rough
Hun Jin Bai Yu, a Chinese idiom, Pinyin is h ú NJ ī Nb á iy ù, meaning natural beauty without modification. More used to describe the quality of simple and kind people. It's from Song Dai Yu's "mouse Pu · Wei Xiang Xu Bo".
The origin of Idioms
In the Song Dynasty, Dai Yu's "mouse Pu · Wei Xiang Xu Bo", it is said that "the origin of scholar bureaucrats is like pure gold and white jade, which can not be defiled."
Idiom usage
It refers to the natural beauty without modification
Analysis of Idioms
Synonym: pure gold and jade
diamond in the rough
beat the swords into ploughshares - zhù jiàn wéi lí