1, idle. Refers to people who are lazy and unwilling to take part in labor. Most black sheep have this potential. They don't want to take part in the work, they just loaf around all day.

2, sit on the mountain. Refers to consumption without production, even if there is a mountain of wealth, it will dry up. Many black sheep don't study hard for professional knowledge or survival skills, and live on the capital laid by their parents.

3. bankruptcy. This means that all the property has been looted. This meaning is more obvious, and the prodigal component that describes the return of the prodigal son has reached the point of 100%.