This is the 14010th most frequent Polish word.
potrafisz
"You can" or "you are able to."
Here, 'potrafisz' conveys the ability or skill to perform a specific activity (playing the piano).
Czy potrafisz grać na pianinie?
Can you play the piano?
In this sentence, 'potrafisz' expresses the capability to handle or resolve a particular issue (solving the problem).
Cieszę się, że potrafisz rozwiązać ten problem.
I'm glad that you can solve this problem.
The word 'potrafisz' in this context refers to the competence or feasibility of accomplishing a task (fixing something).