I can second what you are saying. Currently living in Switzerland and trying to learn the same way is nearly impossible. I learned better on my own for the year

I can second what you are saying. Currently living in Switzerland and trying to learn the same way is nearly impossible. I learned better on my own for the years prior to coming here from the states. Every class I have taken, the teachers are just instantly speaking from German without zero explanation in your mother tongue. It truly is a waste, im here on tech business as well and basically all of my colleagues speak english as its the internal speaking language for businesses around Zurich. What has helped me slightly, is memorizing german songs, and translating them via google translate, to me the speaking it and hearing it doesnt help nearly as much as memorizing vocabulary, which is what I focus on now.