Blow a Kiss*

This time, A-Shang broke his front tooth, and the same scene repeated once more— Mother Rui apologizing profusely, A-Shang's mother screaming in anger, and other mothers whispering behind their backs. 

Despite his mother's desperate demands, Rui Ye stubbornly sealed his lips shut and refused to apologize. In the end, Teacher Ma had to step in before A-Shang's mother could slap Rui Ye in a fit of rage. 

The chaos was eventually brought under control with much difficulty, and when they returned home, Mother Rui's suppressed anger and frustration finally burst forth, "Why are you like this, Rui Ye? Haven't you promised to behave?! What's so difficult about apologizing?!"