If one or two sentences go unheard, perhaps it's because the listener isn't thinking much of it.
However, when sentence after sentence is spoken out loud, and the person in question maintains an indifferent attitude, it's no longer a matter of mere thoughtlessness—it's a complete disdain to respond.
This silent contempt somehow provoked the other party.
"Young people these days really don't know how to behave. The nation is in trouble, yet they don't talk about doing something for the disaster area, not even caring properly. It's a wonder where all their education went," the thin middle-aged man who was the first to disapprove of Su Shu snorted coldly.
His wife, cautiously tugged at his sleeve and whispered, "Keep it down, will you? Aren't you afraid of being overheard with such a loud voice?"
The woman clearly didn't want her husband to cause trouble.