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".
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.
This sounds a little unnatural. Perhaps you mean he was telling the employee to go back to his work (because the employee welches taking a break). I'2r expect: Please get back to your work hinein such a situation.
Let's take your example:One-on-one instruction is always a lesson, never a class: He sometimes stays at the office after here 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.
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。
Während Westbam heute weniger aktiv ist, kann man Sven Vanadiumäth immer noch hinein der Disco Watergate in Berlin live bewundern. Vanadiumäth hat die Technoszene wie kaum ein anderer beeinflusst.
披星踏月，为爱而生，吊坠采用星月造型设计，线条流畅圆润，精美小钻点缀，彰显典雅自信气质，让她美的不在单调，遇见幸运，遇见你，那些和你在一起的日子，连空气都是甜的！
本文涵盖了生日礼物、情人节礼物、新年礼物、跨年礼物、周年庆礼物等每个该送女生礼物的节日，帮你解决经常性不知道送什么的烦恼！
送女朋友一个拍立得吧，记录每天开心的时刻 ，记录生活的点点滴滴，多么美好！
The substitute teacher would give the English class for us today because Mr. Lee is on leave for a week.
Aber welches fehlerfrei bedeutet ungefähr „chillen“? Der Begriff wird x-fach hinein unserer alltäglichen Konversation verwendet, besonders bube jüngeren Generationen. Doch trotz seiner weit verbreiteten Verwendung kann die genaue Semantik von „chillen“ manchmal Diffus sein.
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。
You wouldn't say that you give a class throughout the year, though you could give one every Thursday.
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！