以牙还牙 yǐyáhuányá tit for tat Definitions Defs Origin Strokes Stroke Words Sentences Sents 以 yǐ preposition by means of to use; by means of; with; using the tool or method introduced牙 yá noun tooth tooth; teeth还 還 huán verbnoun to retaliate to do something in return; to strike back; to reciprocate a gesture牙 yá noun tooth tooth; teeth
