‘呕哑’ is a reduplicative onomatopoeic noun that vividly imitates harsh, grating, or rasping sounds — often associated with animals like crows, geese, or roosters, but also used for mechanical or human vocalizations that are rough and unpleasant. The character 呕 suggests retching or forceful expulsion (evoking guttural effort), while 哑 means ‘hoarse’ or ‘voiceless’, together creating a compound that emphasizes raw, unrefined auditory texture.

This word appears frequently in classical and modern Chinese poetry and descriptive prose to evoke rustic or untamed atmospheres — think of dawn flocks cawing over misty rivers, or old engines sputtering in a village workshop. It’s not used for gentle or melodic sounds; rather, it conveys intentional auditory harshness, often with a slightly literary or evocative tone. While grammatically a noun, it commonly functions as an adverbial phrase after verbs like ‘发出’ (emit) or ‘听见’ (hear), or stands alone as a subject or object in poetic contexts.