wipe out the evil
Chinese idiom, Pinyin is zh ū B à ot ǎ on ì, which means to fight against violent and rebellious people. It's from "Sixteen cheap strategies for running the army.".
Notes on Idioms
Crusade.
The origin of Idioms
"The policy of governing the army is the matter of governing the border, rescuing the chaos, taking the power as the policy, and punishing the tyrant and insurrecting the rebellious
Idiom usage
He is a hero.
wipe out the evil
so poor as to have no room to stick an awl on - pín wú lì zhuī
mutual help and relief in time of poverty - xiāng rú yǐ mò