It is not idiomatic "to give" a class. A class, hinein this sense, is a collective noun for all the pupils/ the described group of pupils. "Our class went to the zoo." 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。 Context, as Barque explained in #2, is the situation or circumstances rein which the phrase https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u