英文諺語 An eye for an eye and a tooth for a tooth
An eye for an eye and a tooth for a tooth 以眼還眼，以牙還牙
something that you say which means if someone does something wrong, they should be punished by having the same thing done to them
Usage notes: This phrase comes from the Bible.
“You have heard that it was said, ‘An eye for an eye and a tooth for a tooth.’ But I say to you, Do not resist the one who is evil. But if anyone slaps you on the right cheek, turn to him the other also.”