Robert made a lot of stupid [mistakes* / slips / errors] in his youth.
It was [a slip / a mistake* / an error] to argue with him.
While typing a letter Mary made a lot of [errors / mistakes* / slips] due to her carelessness.
I suppose there is [a mistake / an error* / a slip] in your argument.
[A mistake / A slip / An error*] means something said, done or believed that is not accurate or true.
This is [a mistake / a slip / an error*] that can be soon corrected.
Emma married Walter and within a few weeks she knew the fearful [error / mistake* / slip] that she had made.
Jim referred to himself jokingly as [a slip / a mistake / an error*] of nature.
[Slip / Mistake / Error*] though blind herself, sometimes brings forth children that can see. (proverb)
When a wise man makes [a slip / an error* / a mistake] , he errs with a vengeance. (proverb)
Susan put salt in her tea by [slip / mistake* / error] .
I didn't mean to offend you; it was [the slip* / the mistake / the error] of the tongue.
He picked up the wrong hat by [slip / error / mistake*] .
The accident was caused by human [slip / mistake / error*] .
To speak to a person in the street, thinking he was somebody else, would be [a mistake* / an error / a slip] .
