How to say in Czech: Are they not too young for that?

English
Are not too for that?
Czech
Nejsou na to přiliš mladí?
You are young.
They are too young for that.
They are too young for that yet.
They are too young for her.
They are too old to die young.
They are too young.
They are too young to die.
They were young once too.
They are still young.
They are younger than her.

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