Translation of obnoxious in Spanish

If you want to learn, you need milestones, so that you can plan your learning curve. Together, we will decide on 3-4 days, where we will study intensely. Perhaps your German will get a little bit better by then.
I was born in 1967 in Zurich, Switzerland. It is a small city, but not as small as Basel or Geneva. I grew up in a suburb of Zurich. When I was 12, I moved with my parents to Spain.
Thank you for your answer, my English is not very good, but it should be fun to learn together, don't you think? Generally, studying alone is no fun at all. So how do we proceed? How's it going?