under wraps

含义

kept private for now

暂时保密.

例句

1. 1The new phone design is being kept under wraps until the launch in May.
2. 2They kept the wedding under wraps, so only close family were there.
3. 3The film's ending has been kept under wraps, and even the actors haven't read it.
4. 4Details of the new menu are under wraps until the restaurant reopens next week.
5. 5Can you keep the promotion under wraps until the team is told on Monday?

语法

短语固定，通常跟在 keep 或 be 之后。