N-VAR
報復（行為）
If you do something to a person in reprisal, you hurt or punish them because they have done something violent or unpleasant to you.
例句
There were fears that some of the Western hostages might be killed in reprisal...
有人擔心一些西方人質可能會受到報復性殺害。
Witnesses are unwilling to testify through fear of reprisals.
由于害怕報復，目擊者不愿作證。