be of obscure origin [birth

• 出身微贱

be of obscure origin [birth的用法和样例：

例句

1. Li bastardly House, though the rightguan ju with disabilities may not be into the flow.
   李义府出身微贱，虽官居右相不得入士流。
2. He really believed, that were it not for the inferiority of her connections, he should be in some danger.
   他不由得一本正经地想道，要不是她的亲戚出身微贱，那我难免危险了。