Correct
助纣为虐
/ zhù zhòu wéi nüè /
Strokes
Definition
lit. helping tyrant Zhou 商纣王[shāng zhòu wáng] in his oppression (idiom)/fig. to take the side of the evildoer/giving succor to the enemy
Example
Definition
aid King Zhou in his tyrannical rule―aid and abet the evil-doer; help a tyrant to victimize his subjects; hold a candle to the devil