closeted /ˈklɒzɪtɪd/

• 1.  

  ADJ（形容词） If you are closeted with someone, you are talking privately to them. 私下交流的 [FORMAL, LITERARY]

  例：

  Charles and I were closeted in his study for the briefing session.

  查尔斯和我在他的书房里私下开简报会。