How to say in Czech: Do you know this child?

English
Do know this
Czech
Znáš tohle dítě?
Does anybody know this child?
What is this child doing here?
How many children do you have?
This is not my child.
Who is this child?
Whose child is this?
Why is this child here?
Are you an only child?
You are not a child anymore.
You are young.

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