How to say in Czech: You are such an unpleasant boy!

English
are such an
Czech
Ty jseš tak nesympatický kluk!
You are trying not to be unpleasant.
You are such a brave boy!
Do you know this boy?
What is this boy doing here?
Who is this boy?
Why is this boy here?
Does anybody know this boy?
You are young.
You didn’t write that.
Sorry the place is such a mess...

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