It is not idiomatic "to give" a class. A class, in this sense, is a collective noun for all the pupils/ the described group of pupils. "Our class went to the zoo."

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。

I would actually not say this as I prefer "swimming," but it doesn't strike me as wrong. I've heard people say this before.

Hinein an attempt to paraphrase, I'd pop rein a "wow": I like exploring new areas. Things I never imagined I'durchmesser eines kreises take any interest in. Things that make you go "wow".

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。

Hinein 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.

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。

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:

There's a difference in meaning, of course. You can teach a class throughout the year, which means giving them lessons frequently.

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。

There are other verbs which can be followed by the -ing form or the to +inf form with no effective difference rein meaning. Weiher this page (englishpage.net):

So a situation which might cause that sarcastic reaction is a thing that makes you go "hmm"; logically, it could Beryllium a serious one too, but I don't think I've ever heard an example. The phrase was popularized rein that sarcastic sense by Arsenio Hall, who often uses it on his TV show as a theme for an ongoing series of short jokes. When introducing or concluding those jokes with this phrase, he usually pauses before the "hmm" just long enough for the audience to say that parte with him.

I know, but the song welches an international chart hit, while the Urfassung Arsenio Hall Show may not have been aired in a here lot of international markets.

That's life unfortunately. As a dated BE speaker I would not use class, I would use lesson. May Beryllium it's the standard problem of there being so many variants of English.