暂时对这件事保密可能是明智的。
It might be wise to ___keep this ___quiet for a while.
他们试图保密,但不知何故,几天内半个村子都知道了这个消息。
They tried to ___keep it ___quiet but, somehow, half the village knew about the news in a few days.
公司决定在官方宣布之前对合并事宜保密。
The company decided to ___keep the merger ___quiet until the official announcement.