他山の石
たざんのいし
tazan'noishi
JMdict entry #1407110
-
noun (common) (futsuumeishi)
idiomatic expression
lesson learned from someone's else mistake; object lesson; food for thought; stones from other mountains (can be used to polish one's own gems)
see: 他山の石以て玉を攻むべし
Kanji in this word
Example sentences
他山の石とする。
tazan no ishi to suru 。
The fault of another is a good teacher.