let fall

vt. 放下(无意中说出)

例句与用法：

He did not let fall a word about it.

他对这事没漏出一句话来。

I guess what is happening from a few words she let fall.

我从她说的几句话中猜出发生什么事了。

He let fall a suggestion.

他随便提出了一项建议。

From something he let fall, I believe they are planning to redesign the machine.

从他透露的话里看，我想他们是打算重新设计这台机器。