黑呼呼 hēihūhū pitch-black Definitions Defs Origin Strokes Stroke Words Sentences Sents hēihūhū pitch-black 黑 hēi adjective black the color of coal or ink; opposite of 白 bái呼 hū reduplication [sound of wind] (onomatopoeia) A whooshing or whistling sound, such as the sound of wind or blowing airhēihūhū dusky 黑 hēi adjectiveverb dark lacking light; dim; night or nightfall呼 hū reduplication [sound of wind] (onomatopoeia) A whooshing or whistling sound, such as the sound of wind or blowing air