Southern Russia Russian Oct 31, 2011 #16 Would you say it's safe to always use "lesson" hinein modern Beryllium? For example, is it üblich hinein BE to say "in a lesson" instead of "in class" and "after the lessons" instead of "after classes"?

Wir wollen das Fenster schließen; die Luft ist kühl außerdem dir sehr unzuträglich. Let us close this casement; — the air is chilling and dangerous to your frame. Born: Books

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.

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。

In 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:

Let's take your example:One-on-one instruction is always a lesson, never a class: He sometimes stays at the office after work for his German lesson. After the lesson he goes home. Notice that it made it singular. This means that a teacher comes to him at his workplace and teaches him individually.

PaulQ said: It may Beryllium that you are learning AE, and you should then await an AE speaker, but I did Keimzelle my answer by saying "Rein Beryllium"...

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 an dem closing this thread. If you have a particular sentence in mind, and more info you wonder what form to use, you are welcome to Keimzelle a thread to ask about it.

Actually, I am trying to make examples using Keimzelle +ing and +to infinitive. I just want to know when to use Startpunkt +ing and +to infinitive

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。