back door

2 ENTRIES FOUND:

back door noun

plural back doors

back door

noun

plural back doors

Learner's definition of BACK DOOR

[count]

: a door at the back of a building（建筑物的）后门

— often used figuratively常用作比喻

He managed to get into the private club through the back door [=in a secret or indirect way] because he has a friend who works there.因为有朋友在那家私人俱乐部工作，他想法子走后门进去了。