Das 5-Sekunden-Trick für Chillout
知乎,让每一次点击都充满意义 —— 欢迎来到知乎,发现问题背后的世界。As we've been saying, the teacher could also say that. The context would make clear which meaning welches intended.It is not idiomatic "to give" a class. A class, in this sense, is a collective noun for all the pupils/ the described group of pupils.