Translation of notorious in Spanish

Of course I have already tried, but it did not work. I will try it again. Meanwhile, here is the reason for my short emails... only one hand free at a time, see explanation in the image of me.
It certainly is one of the reasons that a student from abroad is not as good in English as people who were born in America. This is an obstacle for all students and a challenge for the educational system.
Sure! I can help you in learning German. What do you need? I am a student for literature and live in Hanover. Do you know the city? It is in the north. Are you studying or are you working?