If you avenge a wrong or harmful act, you hurt or punish the person who is responsible for it.
例句
He has devoted the past five years to avenging his daughter's death...他过去5年一心报丧女之仇。She had decided to avenge herself and all the other women he had abused.她决定为自己和所有其他被他侮辱的女性报仇。