以眼还眼 yǐyǎnhuányǎn an eye for an eye Origin Definitions Defs Strokes Stroke Words Sentences Sents 以眼还眼，以牙还牙 yǐyǎnhuányǎnyǐyáhuányá an eye for an eye an eye for an eye, a tooth for a tooth; to use the same methods to strike back at someone or give them a taste of their own medicine