How to say in Czech: You have never seen him before.

English
have never seen before.
Czech
Nikdy jsi ho neviděl.
You have never met him before.
You have not seen him here before.
That’s never happened to me before.
Do you understand him?
That’s something you will never understand.
You are never too old to learn.
You may never be able to walk again.
You never forget anything.
You will never be alone.
You will never forget that.

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