No matter which musical instrument you want to learn to play, the most important thing is not to make any mistakes from the beginning on, because mistakes are always imprinted on your mind more easily than everything you do right.
据我所知,他没做错任何事。
As far as I know, he did nothing wrong.
我小时候做错事就会被打屁股。
When I was a child, I was spanked if I did something wrong.