[走后门 / 走後門, zǒu hòu mén, ㄗㄡˇ ㄏㄡˋ ㄇㄣˊ]lit. to enter by the back door; fig. to gain influence by pull or unofficial channels; back door or under the counter connections#44371[Add to Longdo]
[开后门 / 開後門, kāi hòu mén, ㄎㄞ ㄏㄡˋ ㄇㄣˊ]to open the back door; fig. under the counter; to do a secret or dishonest deal; to let sth in by the back door#71872[Add to Longdo]