いもっいせい 夷を以て夷を制す LinksSentence search for 夷を以て夷を制すSentence search for いをもっていをせいすKanji details for 夷, 以 and 制Edit in JMdict Expressions (phrases, clauses, etc.)1. to control foreigners by foreigners; to play one barbarian state against another Discussions Log in to talk about this word.