As I always do I came to my favourite Diskussionsrunde to find out the meaning of "dig rein the dancing queen" and I found this thread:
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。
Context, as Barque explained rein #2, is the situation or circumstances hinein which the phrase is being used. Here it would be useful context to know if you are writing something, or chatting casually.
Here's an example of give a class, from the Medau Nachrichten. I think the Ausprägung is more common hinein teaching which involves practical physical performance, like dance or acting, than in everyday teaching rein a school.
For example, I would always say "Let's meet after your classes" and never "after your lessons" but I'durchmesser eines kreises also say "I'm taking English lessons" and never "I'm taking English classes".
It depends entirely on the context. I would say for example: "I am currently having Italian lessons from a private Kursleiter." The context there is that a small group of us meet regularly with our Bremser for lessons.
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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。
Obgleich Westbam heute weniger bedeutend aktiv ist, kann man Sven Vanadiumäth immer noch rein der Disco Watergate in Berlin live bewundern. Väth hat die Technoszene in bezug check here auf kaum ein anderer beeinflusst.
Wir wollen das Fenster dichtmachen; die Luft ist kalt zumal dir sehr unzuträglich. Let us close this casement; — the air is chilling and dangerous to your frame. Born: Books
As we've been saying, the teacher could also say that. The context would make clear which meaning was intended.
Just to add a complication, I think this is another matter that depends on context. In most cases, and indeed rein this particular example hinein isolation, "skiing" sounds best, but "to ski" is used when you wish to differentiate skiing from some other activity, even if the action isn't thwarted, and especially rein a parallel construction:
Wie ich die Nachrichten im Radioempfänger hörte, lief es mir kalt den Rücken hinunter. When I heard the Nachrichtensendung on the radio, a chill ran down my spine. Born: Tatoeba
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。