Translation of Nachgiebigkeit

I try to learn English as much as possible so that I can travel next year to the United States. I would agree to your proposal but I also need to find good teachers. My goal is quality and speed.
On the frozen lake, you can skate, but I would never dare it because it is far too dangerous. Who knows how thick the ice really is and how accurate the measurements are. It can break.
I think Italian so beautiful, I should definitely learn more! In addition, my husband and I are getting married next year and we will move to Italy. He is originally from Palermo, Sicilia.