Chen Laoshi is a pretty good professor. She can come off as sassy the first time you meet her, but she is like a mother after that and really cares about the students. She teaches Chinese pretty well, just as well as any of the other ones for the most part. The one knock people seem to not like is that during presentations, she will correct everyone when they make a mistake. But really IMO, that just makes presentations more casual and easygoing, and everything is very relaxed. A lot of work, but you get a lot out of it. Would recommend.