an eye for an eyeREVENGEthe idea that if someone does something wrong, you should punish them by doing the same thing to them 以眼还眼，以牙还牙 An eye for an eye is no way to run a civilised justice system. 完善的司法制度不允许以眼还眼、以牙还牙的行为。
an eye for an eye• The government's eye-for-an-eye justice could lead to further human rights abuses.• The Old Testament ideal of an eye for an eye speaks to that need.
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