C1567 What are you suspecting

Why had the old tutor become so agitated after he'd finished speaking? What was the connection? Could it be that the old tutor knew something, but for some reason it was difficult to explain and then vent all his anger onto him?

Wen Shihan thought about it, and felt that something was wrong. The old man shouldn't be really stupid, if he was to offend him, there would be no benefits, after all