走後門

走后门
zǒuhòumén
  1. (lit.) to enter through the back door
  2. (fig.) to pull strings; to use connections
  3. (fig.) (slang) to have anal sex

CEDICT

slang

Entry Composition

1 走 zǒu
  1. to walk
  2. to go
  3. to run
  4. to move (of vehicle)
  5. to visit
  6. to leave
  7. to go away
  8. to die (euph.)
  9. from
  10. through
  11. away (in compound verbs, such as 撤走 chèzǒu)
  12. to change (shape, form, meaning)
2 後門 hòumén
  1. back door; back gate
  2. (fig.) back-door influence; under-the-table dealings
  3. anus
  4. (computing) backdoor