be good at ~

「be good at 名詞」名詞が得意です。

I’m good at music. He is good at baseball. Her mother is good at sewing.　

I’m good at playing the piano.　I am not good at playing the piano. Are you good at playing the piano?

I am skilled at playing the piano.　I am not skilled at playing the piano. Are you skilled at playing the piano?

覚えます！！