以其人之道，还治其人之身
yi3 qi2 ren2 zhi1 dao4 , huan2 zhi4 qi2 ren2 zhi1 shen1
以其人之道，還治其人之身
152
0
0
0
to use an opponent's own methods to obtain retribution (idiom, from Song dynasty neo-Confucianist Zhu Xi 朱熹); to get revenge by playing sb back at his own game/to give sb a taste of his own medicine