How to say in Czech: Are you here on your own?

English
Are you here on your own?
Czech
Jsi tady sama?
Do you live here?
You live here.
I am on my own here.
I am here with friends.
Are you learning Arabic on your own?
You are not used to being on your own.
You are old enough to stand on your own feet.
You figured it out all on your own.
You had to do everything on your own.
You are old enough to make your own decisions.

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