How to say in Czech: Are they Chinese?

English
Are
Czech
Oni jsou Číňané?
Are they learning Chinese?
Are they learning Chinese on their own?
They are Chinese.
They are learning Chinese.
They are not Chinese.
Do they speak Chinese?
They do not speak Chinese.
They do not speak Chinese very well.
They speak Chinese.
They speak Chinese fluently.

Czech phrasebook and translator with tens of thousands of sentences translated by humans. Czechslator is being developed by Michal Měchura. CREDITS Czechslator's sentence generation engine is partially based on Grammatical Framework. All Czech pronunciation is computer-generated using Microsoft Azure Text to Speech. When Czechslator cannot find a translation in its own database, it looks in the PanLex dictionary or obtains a machine translation from Microsoft Translator. PRIVACY Czechslator does not save any cookies in your web browser and does not collect personally identifiable data. Czechslator uses StatCounter for traffic analysis, configured not to save any cookies in your web browser and not to collect any personally identifiable data.