The evil of the party favors the evil
As a Chinese idiom, the Pinyin is d ǎ ng è y ò Uji ā n, which refers to favoring the evil. It comes from the preface to the differentiation of evils.
The origin of Idioms
Yuan Yelu Chucai's preface to differentiation of evils: "the evil party favors the traitor, and the bad wind hurts the religion. For thousands of years, the crime has its own end."
Idiom usage
Used as a predicate or object; used to cover up bad people
The evil of the party favors the evil
assume the appearance of a man of integrity - àn rán dào mào
eat the soft and spit out the hard -- bully the good-natured and fear the ferocious - rú róu tǔ gāng