ㄗㄨㄛˋzuòchīㄕㄢshānㄎㄨㄥkōng

  1. 比喻只消不事生產以致把家用光拍案驚奇·》:如今年紀長大豈可坐吃山空!」文明小史·一回》:過了覺得坐吃山空將來時候那時如何是好?」坐吃山崩」、坐喫山崩」。

lit. just sitting and eating, one can deplete even a mountain of wealth (idiom)​, fig. to spend one's money without generating any income