To retaliate in kind; to exact revenge by inflicting the same injury or damage that one has suffered.
面对小明无理的挑衅，小红决定不再忍让，而是以眼还眼，以牙还牙地反击回去
Faced with Xiao Ming's unreasonable provocation, Xiao Hong decided not to tolerate it anymore, but to retaliate an eye for an eye and a tooth for a tooth.
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