蓬心pōng-sim植物形體、狀態形容詞形容根莖類植物(如蘿蔔、番薯等)的質地鬆而不實。蓬心的菜頭真歹食。Pōng-sim ê tshài-thâu tsin pháinn-tsia̍h.空心的蘿蔔很難吃。類義冇心phànn-sim