名詞 back door:

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

1. He is not intelligent, so he enters Harvard through the back door.
   他并不聰明，因此他是以走後門的方式進(jìn)入哈佛大學(xué)。
2. He used his influential friends to help him get into the civil service by the back door.
   他利用那些有權(quán)有勢的朋友幫助他走後門，到政府行政部門任職。