How to say in Czech: He knows them well.

English
knows well.
Czech
On je dobře zná.
He would like to get to know them better.
He wishes them all the best.
Does he understand them?
We’ll ask them.
We’ll save them.
He knows.
He knows her address.
He knows what he did last year.
He knows what he did yesterday.
He knows what he needs.

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