1·Unseemly self-exposures, unpalatable betrayals, unavoidable mendacity, a soupçon of meretriciousness: memoir, for much of its modern history, has been the black sheep of the literary family.
失态的自我揭露，难以置信的背叛，不可避免的谎言，加上少许虚华：回忆录，在其短短的历史中，向来是文学家族里的害群之马。
2·This man is the black sheep of the family.
这个人是家庭中的害群之马。
3·They say I am the black sheep of the relay race.
他们说我是接力赛的害群之马。
4·John was a black sheep and was driven out of the Party.
约翰是匹害群之马，被开除了党籍。
5·There are still some black sheep in our society. But we shouldn't forget what they have been doing for us.
在我们的社会上还是有这么一些害群之马的。但是我们不应该忘记他们为我们所做的事情。