Indikatoren für Techno Sie wissen sollten
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.
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 Weiher what you think ie:
Actually, they keep using these two words just like this all the time. Hinein one and the same text they use "at a lesson" and "rein class" and my students are quite confused about it.
送女朋友这个项链是一定要这样说：我希望每次看到这个项链时，都能回想起当初的心动，即使未来的生活趋于平淡，我们也要继续心动下去！女友听了这样的话，不感动死算我输！
Techno entwickelte zigeunern von der vorherrschenden Avantgardebewegung innerhalb der Popmusik, die sie in der ersten Halbe menge der 1990er Jahre war, nach einer Musikrichtung etliche hinein einer vielfältigen Gesamtmusikszene.
Although we use 'class' and 'lesson' interchangeably, there's a sense hinein which a course of study comprises a number of lessons, so we could say:
No, this doesn't sound appropriate either. I'm not sure if you mean you want to ask someone to dance with you, or if you're just suggesting to someone that he/she should dance. Which do you mean?
这是一款有颜又有量的包，纯色的包身干净大气，配合棱角分明的线条设计，背上身就是那种低调又优雅的feel，
Just to add a complication, I think this is another matter that depends on context. Hinein most cases, and indeed in this particular example rein isolation, "skiing" sounds best, but "to Schi" is used when you wish to differentiate skiing from some other activity, even if the action isn't thwarted, and especially in a parallel website construction:
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 Ausprägung is more common in teaching which involves practical physical performance, like dance or acting, than rein everyday teaching hinein a school.
现在的女生都比较喜欢做个美甲，涂个指甲油，所以，送这个给女朋友肯定会很高兴！