What's the worst case of 做事非常磨蹭? Miss homework deadline? Miss a day of school? If he didn't care these, then there's a bigger problem behind this. If he still cares, then you can just zip your mouth and let himself handle these.
Good luck.
Good luck.
选择“Disable on www.wenxuecity.com”
选择“don't run on pages on this domain”
