secret command

例句：

1. 1.She kept her secret from everyone except her closest friend.
   她除了最亲密的朋友之外，没有告诉任何人她的私事。
2. 2. The government has been keeping a secret about the new policy.
   政府一直在隐瞒关于新政策的真相。
3. 3.They kept their secret until the right moment to reveal it.
   他们一直保守着这个秘密，直到合适的时机才透露出来。