back door

US 
UK 
  • n.后门;边门
  • Web走后门;开后门;后门程式
Plural Form:back doors  
back door
n.
1.
后门;边门the door at the back or side of a building
IDM
He used his friends to help him get into the civil service by the back door.
他利用朋友帮他开后门当上了公务员。
by/through the back door
走后门in an unfair or indirect way
He used his friends to help him get into the civil service by the back door.
他利用朋友帮他开后门当上了公务员。