How to say in Czech: Why is he hesitating?

English
Why is hesitating?
Czech
Proč váhá?
Don’t hesitate.
Don’t hesitate to ask.
Why is the door closed?
Why was he late this morning?
Why don’t he go home?
Why is it taking so long?
Why is this boy here?
Why am I only hearing about it now?
Why are you asking?
Why are you telling me that?

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