What does it mean to be a black sheep?

A black sheep is a son who ruined a prosperous family business.

Interpretation: the son who makes the family business flourish. Generally speaking, it refers to those who have no talent and morality and have destroyed the foundation created by predecessors and sages.

Quote:

1, there are two children near the tomb, one is Saturday and the other is Monday. My son Hou died, but thanks to Qi Li, his family went from bad to worse, and people called him the black sheep. -(Tang) Han Yu's Epitaph of Liu Zihou

These behaviors are unorthodox, so poets are often called freaks, lunatics and black sheep. -Lao She's poet

You are a black sheep! Just climb up by yourself, cheat! -Tran Dang Khoa and other "Broken Wall"

Sentence:

I have never heard anyone mention my uncle. I think he is a bit like a black sheep.

2. But she was flattered by being scolded, because the black sheep of Heda University defended her and possessed her uniquely.

Pretending to be the black sheep, stressing ostentation and extravagance, and engaging in formalism have reached the peak in some departments.

No matter how rich an ancestor is, a black sheep is enough to damage the lintel.

This kind of black sheep, as long as he doesn't spend money indiscriminately, even if his old man burns incense.

His neighbors accused him of being a black sheep and squandered all his inheritance.

7. In the life of the black sheep, today will always be a first-class cannon blower, and tomorrow will always be a first-class coward, afraid to listen to yesterday's big talk; Today is like the ox king in ancient drama, and tomorrow is like a clown in modern pantomime.

8. This black sheep is a person who is not worthy of sympathy.