Who knew
Meaning
who knew?
Expressing surprise, or ironic lack of surprise, upon learning something.
Examples
A man who knew his job as he spent a long time commanding a regiment and who earned great respect from everybody.
She fitted into my biggest armchair as if it had been built round her by someone who knew they were wearing armchairs tight about the hips that season.
And statesmen at her council met Who knew the seasons, when to take Occasion by the hand, and make The bounds of freedom wider yet.
The person who knew you when you were young will seldom respect you as an adult.
Never be boastful; someone may pass who knew you as a child.
He who knew you when you were young will not respect you when you grow up.