jmdict 2842886 Active (id: 2057378)
夷を以て夷を制す
【 いをもっていをせいす 】

1.

[exp] ▶ to control foreigners by foreigners ▶ to play one barbarian state against another Cross references:   ⇐ see: 2842884 以夷制夷【いいせいい】 1. controlling foreigners by foreigners; playing one barbarian state against another   ⇐ see: 2842885 以夷攻夷【いいこうい】 1. controlling foreigners by foreigners; playing one barbarian state against another