加杰特侦探
后门(back door),即"走后门"英语是through the back door"英文解释是:a secret or underhand means of access (to a place or a position); 如例句"he got his job through the back door" 他是通过走后门得到这份工作的.他并不聪明,因此他是以走后门的方式进入哈佛大学。He is not intelligent, so he entered Harvard through the back door.