ㄎㄨ窿ㄌㄨㄥ˙long

  1. 洞穴西遊記·》:東風猶可西風將就若是南風青天窟窿。」紅樓夢·》:倘或孔雀褂子窟窿!」洞穴

  2. 平方債務

hole, pocket, cavity, loophole, debt
trou, cavité
finanzielle Verpflichtung (S)​, Loch (S)​