他山之石可以攻玉 tā shān zhī shí kěyǐ gōng yù

tā shān zhī shí kěyǐ gōng yù phrase the other mountain's stone can polish jade; to improve oneself by accepting criticism from outside
Domain: Proverb 谚语 , Subdomain: , Concept:
Notes: (CC-CEDICT '他山之石可以攻玉')