closeted
adj. 保密的，地下的；私下密谈的
v. 私下密谈（closet 的过去式和过去分词）
例句
She had closeted herself away in her room.
她把自己关在房间里不见任何人。
《牛津词典》
He was closeted with the President for much of the day.
他与总统闭门进行了几乎大半天的密谈。
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。
《柯林斯英汉双解大词典》
