back door

/ˌbæk ˈdɔː(r)/ 74
You can use backdoor to describe an action or process if you disapprove of it because you think it has been done in a secret, indirect, or dishonest way. 不正当的

noun [专属名词]后门;非法途经

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。

back door 出现在下面的课文中
Lesson 115&116 Knock, knock! back door 名词: 后门
单词造句: