たざんいしもったまおさ 他山の石以て玉を攻むべし LinksSentence search for 他山の石以て玉を攻むべしSentence search for たざんのいしもってたまをおさむべしKanji details for 他, 山, 石, 以, 玉 and 攻Edit in JMdict Expressions (phrases, clauses, etc.)1. one should learn from other's mistakes; stones from other mountains can be used to polish one's own gemsProverb, See also 他山の石 Discussions Log in to talk about this word.