yǔ​hǔ​tiān​yì

to aid an evildoer

Senses

与虎添翼/ 與虎添翼 yǔ​hǔ​tiān​yì to aid an evildoer

to give wings to a tiger; to help a villain or bad person become even more dangerous by providing them with further support or power

References

variant 为虎添翼/為虎添翼 与虎添翼/與虎添翼
same_as 为虎傅翼/為虎傅翼 与虎添翼/與虎添翼