Did I call you Richard? Sorry, Robert, just a slip of the tongue.

我刚才是不是叫你理查德了？对不起，罗伯特，我是一时口误。

《牛津词典》

The audience burst into laughter because of the slip of the tongue from the host.

由于主持人的口误，观众哄堂大笑。

youdao

A parapraxis is a slip of the tongue, often called a Freudian slip.

动作倒错是一种口误，通常被称为弗洛伊德口误。

youdao

If you're honest with your boss, you don't have to worry about a slip of the tongue or an unexpected run-in with the boss foiling your alibi.

CNN: One-third of workers play hooky