back door

名词 back door:

1. a secret or underhand means of access (to a place or a position)
   同义词：backdoor
2. an undocumented way to get access to a computer system or the data it contains
   同义词：backdoor
3. an entrance at the rear of a building
   同义词：backdoor, back entrance

1. He is not intelligent, so he enters Harvard through the back door.
   他并不聪明，因此他是以走後门的方式进入哈佛大学。
2. He used his influential friends to help him get into the civil service by the back door.
   他利用那些有权有势的朋友帮助他走後门，到政府行政部门任职。