let slip sth 什么意思 ？造句？谢拉！

let slip sth偶然泄露(秘密等)，错过机会等
1. She let slip that she had not paid her tax.
她偶然说出她还没交税呢.

2. She let slip a chance to work abroad.
她错过了出国工作的机会。

3. They let slip a very good opportunity.
他们把一个好机会丢掉了。