I made this boxing trainee angry by correcting her, but she thought I was grilling her instead.
Why do you have to train her?
I want her to be a better boxer. I'm a coach and want to see her succeed.
It's good to help people out if they are doing things wrong. You are only helping her.
She thought I was grilling her and then she started to get angrier and I thought it was funny.
I wouldn't laugh about it because that will only make her more upset. It's good to correct someone's moves if they are doing it wrong so they can get better. I would explain more professionally what you are doing.