青紅皂白

the rights and wrongs of a matter (idiom)

abbr. for 青海[Qing1 hai3], Qinghai Province

green / blue / black / youth / young (of people)

surname Hong

red / popular / revolutionary / bonus

soap / black

white / snowy / pure / bright / empty / blank / plain / clear / to make clear / in vain / gratuitous / free of charge / reactionary / anti-communist / funeral / to stare coldly / to write wrong character / to state / to explain / vernacular / spoken lines in opera