A group of girls gather around and talk to each other, laughing and joking, for fear that Ji Rou won't hear their "whispers".
It's okay for these people to bite their tongues, but they still want Ji Rou to hear them. It's clear that they are deliberately telling her to embarrass her.
Jirou's life principle is, people don't offend me, and I don't offend them. If people offend me, I will make TA restless.