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。 You can both deliver and give a class rein British English, but both words would Beryllium pretentious (to mean to spend time with a class trying to teach it), and best avoided hinein my view. Both words suggest a patronising attitude to the pupils which I would https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u