Dance Can Be Spaß für jedermann

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。

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.

Wie ich die Sprechweise zum ersten Fleck hörte, lief es mir kalt den Rücken herunter. When I heard it the first time, it sent chills down my spine. Brunnen: TED

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。

Let's say, a boss orders his employer to start his work. He should say "Keimzelle to workZollbecause this is a formal situation.

I don't describe them as classes because they're not formal, click here organized sessions which form parte of a course, rein the way that the ones I had at university were.

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.

天气冷了，你女朋友办公室、宿舍冷吗？送她一个暖风机，温暖整个冬天吧！

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。

送女朋友一个拍立得吧，记录每天开心的时刻 ，记录生活的点点滴滴，多么美好！

Enquiring Mind said: Hi TLN, generally the -ing form tends to sound more idiomatic and the two forms are interchangeable, but you haven't given any context.

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。

Here's an example of give a class, from the Medau News. I think the expression is more common hinein teaching which involves practical physical performance, like dance or acting, than in everyday teaching hinein a school.

edit: this seems to Beryllium the consensus over at the Swedish section of WordReference back in Feb of 2006