smoke-filled room

• 1. 

  N-COUNT If you talk about a decision being made in a smoke-filled room, you mean that it is made by a small group of people in a private meeting, rather than in a more democratic or open way. (烟雾弥漫的)密室; 指秘密而非公开讨论政策处 [表不满]

  例：

  ...long discussions in smoke-filled rooms.

  ...密室里的长久讨论。