How to say in Czech: She speaks Portuguese fluently.

English
speaks fluently.
Czech
Ona mluví plynně portugalsky.
She speaks only a little Portuguese.
She speaks Portuguese.
She speaks Portuguese very well.
Does she speak Portuguese?
She does not speak Portuguese.
She does not speak Portuguese very well.
Does anybody here speak Portuguese?
Is she learning Portuguese?
Is she learning Portuguese on her own?
She is learning Portuguese.

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