Do not care

Harvey Chase ignored him, he stood up and returned to his seat.
Listen to the class attentively.
Although Harvey Chase was very proficient in these courses, there was no need for him to listen to them.
Regardless, since there is an old professor giving a lecture, he will definitely listen carefully, which is also a respect for the teacher.
Zhang Zhiyuan knocked on the table and said, "Everyone, be quiet. I will call the roll at the end of the get out of class. Now, let's talk about...