名词报复; 应得的惩罚，报应; 报答，报偿

1. 惩罚;报应
Retribution is punishment for a crime, especially punishment which is carried out by someone other than the official authorities.

e.g. He didn't want any further involvement for fear of retribution.
他担心受到惩罚，不想再牵涉其中。

2. retribution的解释