kāi​hòu​mén

illicit favor

开后门 (開後門) kāi​hòu​mén
illicit favor expression
to use personal connections, influence, or dishonest means to gain an advantage or bypass official procedures
open back door expression
to physically open a door at the rear of a building or vehicle

Frequency

Movie subtitles
0.390 per million appears in 0% of films
Written text
0.250 per million

Sources

Definitions
CC-CEDICT