bardzo dobrze znany

But many others are less well known outside their home countries.

He might as well know what they were doing inside.

He might as well know why I am on the ground.

And how many other people knew about him as well?

He knows only too well what a house is made of.

She knows all too well the dark side of the human heart.

Best to be in a place you knew well after dark.

We have been through some bad times, as you well know.

I want a list of all the women he knew well, who would have gone about with him alone.

They're all more or less her age, but only one of them does she know well.