I would not let drop a word.

我决不说一个字。

He let drop a hint of his intentions.

他故意吐露了一点他的意向。

However, he did let drop certain snippets.

不过，他还是透露了一些片断。

Before he left, he let drop a suggestion that I ring her up.

在他离开之前他将结束我们之间关于我给他电话的建议。

My colleague Joel Stein let drop a while back that he was working on a book proposal.

我的同事约耳·斯泰恩不久前无意中告诉我他正忙着做一个出版计划。