dose sb. with his own physic, pay sb. back in his own coin, serve sb. with the same sauce
yǐ qí rén zhī dào hái zhì qí shēn ㄧˇ ㄑㄧˊ ㄖㄣˊ ㄓ ㄉㄠˋ ㄏㄞˊ ㄓˋ ㄑㄧˊ ㄕㄣ