Translation of disparaging in German

My mom and dad used to speak English when they wanted to say something I shouldn't understand. In this way I have learned English. I did not tell them till late, but I did understand every word they said.
Sometimes I visit Vocabulix to meet new people. It is true that one could do the same on Facebook, but the FB page is rather for friends, and you are less likely to contact strangers for this purpose.
I live in the center of Rome, but I prefer the outskirts. I don't love the center but the old part of the city is very charming. There are however a lot of advantages in the city, especially for young people.