柯林斯詞典black sheep 1. N-COUNT If you describe someone as the black sheep of their family or of a group that they are a member of, you mean that they are considered bad or worthless by other people in that family or group. 敗家子; 害群之馬[usu sing, oft 'the' N 'of' n] [表不滿] 返回 black sheep劍橋詞典a person who has done something bad that brings embarrassment or shame to his or her family 敗類，害群之馬；有辱門楣的人 He's the black sheep of the family . 他是這個家族中的敗類。 返回 black sheep