我本不想告诉任何人你要结婚了——它只是无意中说了出来。

I didn't mean to tell anyone you were getting married - it just ___slipped ___out.

我无法理解这些话是怎么从我嘴里说出来的。

I could not understand how these words had ___slipped ___out of my mouth.

会议中一句 careless 评论无意中说了出来，引起了一些尴尬。

A careless comment ___slipped ___out during the meeting, causing some embarrassment.