名詞 black sheep:

1. a reckless and unprincipled reprobate
   同義詞：scapegrace
2. sheep with a black coat

1. After he had been in prison Peter was regarded as the black sheep of the family.
   彼得坐過牢之后，被看作是家庭中的不肖子孫。
2. Perhaps every profession has got its black sheep.
   也許每個行業(yè)都有害群之馬。
3. He was the black sheep of the family after he had got involved in the bank robbery.
   在他被牽累進銀行搶劫案后，就成了全家的敗家子。