口误

zài zhèng shì chǎng hé tā zǒng shì huì kǒu wù shuō cuò huà

在正式场合，他总是会口误说错话。

On formal occasions, he always slips his tongue and says the wrong thing.

wǒ xiǎng shuō nà zhǐ shì kǒu wù

我想说那只是口误。

I was to say that was only a malapropism.

kǒu wù jīng cháng chǎn shēng yì wài de jié guǒ

口误经常产生意外的结果。

A slip of the tongue usually bring about unexpected result.