How to say in Czech: We know what they need.

English
know what need.
Czech
My víme, co potřebují.
They need to go home.
They don’t know what we mean by that.
They know what we did last year.
They know what we did yesterday.
They know what we think.
They don’t know what to do anymore.
They just don’t know what to say.
We don’t know what it is.
We don’t know what to say.
We don’t know if they have the time.

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