How to say in Czech: They have never heard of it.

English
have never heard of it.
Czech
Oni o tom nikdy neslyšeli.
Have they heard the news?
What have they heard?
I thought I heard something.
They don’t want to hear it.
Can they hear her?
They can’t hear.
They can’t hear her.
Why am I only hearing about it now?
I hear music.
They will never do it again.

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