以其人之道，还治其人之身 (以其人之道，還治其人之身) yǐ qí rén zhī dào, hái zhì qí rén zhī shēn

yǐ qí rén zhī dào, hái zhì qí rén zhī shēn phrase 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
Domain: History 历史 , Subdomain: Medicine
Notes: (CC-CEDICT '以其人之道，還治其人之身')