Evil goes after good
Chinese idiom, Pinyin is w ù B ù Q ù sh à n, which means not to deny someone's advantages just because they dislike him. From Zuo Zhuan, the fifth year of AI Gong.
Idiom usage
Don't deny someone because you dislike him
The origin of Idioms
"The fifth year of AI Gong" in Zuo Zhuan: "private enmity is not as good as public, so it is better to abolish it, evil is not good, and the classics of righteousness are also good."
Idiom explanation
Don't deny someone's merits just because you dislike him.
Evil goes after good
know and observe all but stay obscure - zhī bái shǒu hēi
Official tiger and official Wolf - guān hǔ lì láng
it is better to leave a deficiency uncovered than to have it covered without discretion - nìng quē wù làn
everlasting country with strong boundaries - hé shān dài lì