走后门（走後門）　

◎ 走后门,走后门儿 zǒu hòumén,zǒu hòuménr

[get in by the“back door”;get sth.done through pull;secure advantages through pull or influence] 比喻通过托情或利用职权等不正当的途径谋取通融或利益

招生坚持择优录取的原则,严禁走后门