How to say in Czech: They do not speak Slovak very well.

English
do not speak very well.
Czech
Oni nemluví moc dobře slovensky.
They speak Slovak very well.
They do not speak Slovak.
Do they speak Slovak?
They speak only a little Slovak.
They speak Slovak.
They speak Slovak fluently.
Does anybody here speak Slovak?
Your Slovak is very good.
Your Slovak is getting better.
How good is your Slovak?

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