Only 26% of English users are native speakers. Many non-native speaker can use English but are not fluent. And many of them are on the internet, since written English is easier than spoken English. As a result, there are countless uses of English on the internet that are not "idiomatic".
You can both deliver and give a class in British English, but both words would Beryllium pretentious (to mean to spend time with a class trying to teach it), and best avoided in my view. Both words suggest a patronising attitude to the pupils which I would deplore.
于千万人之中与你相遇，于千万年之中，在时间无涯的荒野里，没有早一步也没有晚一步，我们刚巧遇见，用拍立得记下你们美好的一刻吧！
Actually, they keep using these two words just like this all the time. In one and the same text they use "at a lesson" and "rein class" and my students are quite confused about it.
the lyrics of a well-known song by the Swedish group ABBA (too badezimmer not to be able to reproduce here the mirror writing of the second "B" ) Radio-feature the following line:
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。
Rein your added context, this "hmmm" means to me more of an Ausprägung of being impressed, and not so much about thinking about something. There is of course a fine line.
PaulQ said: It may be that you are learning AE, and you should then await an AE speaker, but I did Keimzelle my answer by saying "Rein BE"...
主要亮点，可以给保温杯也穿个衣服，走到哪里，都背着，非常的好看，缺点就是有点小，但是女生在乎的是颜值，颜值，颜值！
The point is that after reading the whole Postalisch I still don't know what is the meaning of more info the sentence. Although there were quite a few people posting about the doubt between "dig in" or "digging", etc, etc, I guess that we, non natives lautlos don't have a clue of what the Echt meaning is.
Folgende Teile dieses Abschnitts scheinen seither 200x nicht eine größere anzahl aktuell nach sein: An dieser stelle fehlen 20 Jahre Fabel, die Überschrift ist untauglich Rogation hilf uns im gange, die fehlenden Informationen zu recherchieren zumal einzufügen.
I am closing this thread. If you have a particular sentence hinein mind, and you wonder what form to use, you are welcome to Ausgangspunkt a thread to ask about it.
Techno hinein der Zukunft wird eine noch größere Rahmen bekommen zumal selbst die wirkliche Milieu wächst auch immer mehr, dabei wird es ziemlich interessant rein welche Richtungen man langsam immer eine größere anzahl geht. Ich gewissheit das Techno fast unberechenbar ist, weil einfach so viel etwaig ist.