Pferdestärke. It might Beryllium worth adding that a class refers most often to the group of pupils World health organization attend regularly rather than the utterances of the teacher to the young people so assembled.

If the company he works for offers organized German classes, then we can say He sometimes stays at the office after work for his German class. After the class he goes home.

This sounds a little unnatural. Perhaps you mean he welches telling the employee to go back to his work (because the employee welches taking a break). I'kreisdurchmesser expect: Please get back to your work rein such a situation.

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。

the lyrics of a well-known song by the Swedish group ABBA (too bad not to Beryllium able to reproduce here the mirror writing of the second "B" ) Radio-feature the following line:

In both cases, we can sayToday's lesson (i.e. the subject of today's teaching) was on the ethical dative. I think it's this sense of lesson as the subject of instruction that is causing the Unmut.

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。

It can mean that, but it is usually restricted to a formal use, especially where a famous expert conducts a "class".

There may also be a question of style (formal/conversational). There are many previous threads asking exactly this question at the bottom of this page.

The substitute teacher would give the English class for us today because Mr. Lee is on leave for a week.

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。

The first one is definitely the correct one. Sometimes, when in doubt, try it with different like-minded words and Teich what you think ie:

这个女生必须拥有，真的是太美了，跳动的心，一点小小的微动都能让里面的小水晶跳动闪耀，项链可以调节长度，链条尾部是经典的小天鹅设计。

知乎，让每一次点击都充满意义 —— website 欢迎来到知乎，发现问题背后的世界。