backroom 或 back room
n.(名词)A room located at the rear.后房:位于后部的房间The meeting place used by an inconspicuous controlling group.密室:被某些不引人注意的控制集团使用的会见地点adj.(形容词)Of, relating to, or taking place in a backroom:后间的:后房的,有关或发生在后房的:例句:backroom card games.在后房进行的纸牌游戏
Marked by the exercise of inconspicuous control and maneuvering:不公开的,秘密的:以运用不引人注意的控制或操纵为特点的:例句:backroom politics.幕后政治