I'm an American in Germany, and I speak German with the immigration office (want them to see how hard I'm trying). I speak English with the police, even for tr

I'm an American in Germany, and I speak German with the immigration office (want them to see how hard I'm trying). I speak English with the police, even for trivial things where I'm the one requesting service, like when I lost my wallet. That is not a context where I want to get anything wrong, and where there is absolutely nothing to be gained from showing off what I learned in language class.