grunt

作呼噜声

issue a grunting, low, animal-like noise

咕哝

issue a grunting, low, animal-like noise

呼噜声, 咕哝

the short low gruff noise of the kind made by hogs; an unskilled or low-ranking soldier or other worker; medium-sized tropical marine food fishes that utter grunting sounds when caught

猪哼哼