助纣为虐
zhù​zhòu​wéi​nüè

to help an evildoer

Senses

助纣为虐/ 助紂為虐 zhù​zhòu​wéi​nüè to help an evildoer

(idiom) lit. helping the tyrant 商纣王 shāng​zhòu​wáng in his oppression; fig. to take the side of an evildoer or help a bad person do bad things

References

synonym 为虎添翼/為虎添翼 → 助纣为虐/助紂為虐
synonym 为虎作伥/為虎作倀 → 助纣为虐/助紂為虐
synonym 助桀为虐/助桀為虐 → 助纣为虐/助紂為虐
synonym 帮狗吃食/幫狗吃食 → 助纣为虐/助紂為虐
synonym 帮虎吃食/幫虎吃食 → 助纣为虐/助紂為虐