以夷制夷 いいせいい controlling foreigners by foreigners; playing one barbarian state against another n yoji Advanced ➥
井蛙は以って海を語る可からず せいあはもってうみをかたるべからず a narrow-minded person cannot understand the ways of the world; a frog in the well cannot understand the ocean even if it is explained to it exp proverb Advanced ➥