爱憎分明 (ài zēng fēn míng) | Meaning: to make a clear difference between what one likes and what one hates | Chinese Idiom with Pinyin & Origin

as rivers Jing and Wei separate clearly (idiom) · to be entirely different泾渭分明Jīng Wèi fēn míng

to show one's colors · to have a clear-cut stand (idiom)旗帜鲜明qí zhì xiān míng

just; fair; equitable公正gōng zhèng

to make a clear difference between what one likes and what one hates · to have well-defined likes and dislikes