We also call this a slip of the tongue.

我们也称之为口误（a slip of the tongue）。

Aha! Did you notice that slip of the tongue, doctor?

啊哈，你注意到我说溜嘴了吗，医生？

A slip of the tongue at the conference resulted in a big loss.

会议上的一个口误导致了一笔重大的损失。

" That was a serious slip of the tongue" .

“那是一次严重的口误”。

" But a slip of the tongue is never wholly accidental" .

“但口误绝非完全偶然”。

It was a slip of the tongue.

就是不小心说漏嘴了。

It was just a slip of the tongue.

【slip】那只是一个口误。

Did I say $100? It must have been a slip of the tongue.

【tongue】我说过 100 英镑吗？ 那一定是口误。

Moreover, he often made a slip of the pen and a slip of the tongue.

并且他常常有笔误和失言。

I noticed he made a few slips of the tongue, but I didn't notice all that.

Faith：我注意到他有几处口误，但我没有注意到。