That's life unfortunately. As a dated BE speaker I would not use class, I would use lesson. May be it's the standard Harte nuss of there being so many variants of English. 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。 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 in British English, https://seitensprung-deutschland81245.bloginder.com/34427865/eine-geheimwaffe-für-trance-music