dottore was your chemistry teacher who always wore a mask. He was strict in academic matters. He was very self-centered and it was annoying.

On the day of the parent-teacher meeting, your father didn't come to school. That's what made the teacher angry. You quickly went to the dottore, your teacher, and apologized

Dottore:"But just apologizing is not enough, my student, you know that yourself, don't you?"