ㄅㄧˊㄙㄨㄢsuān

  1. 形容傷心難過後漢書··光武·》:太后失職北宮年老海內鼻酸。」拍案驚奇·》:媽媽女兒百年之後。』媽媽不覺鼻酸起來。」

to have a tingling sensation in one's nose (due to grief, pungent odor or taste)​, to be choked up