How to say in Czech: He needs something stronger.

English
needs something stronger.
Czech
On potřebuje něco silnějšího.
He has strong arms.
He has strong legs.
I am a strong man.
He needs to go home.
I need something for a child.
This is something I need to do alone.
Did he do something wrong?
Did he say something wrong?
Does he smell something burning?
Has he lost something?

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