Translation of punzada

I will usually use the most usual sense of the term, and not the more sophisticated ones and I think you will understand what I wanted to say. In any case we should review all words every two days or so.
I think I have told you that I won't charge you for this kind of help. I looked at the sentences and I found them a little too long. They were good, but I understand why it took you so long and I think the point is too keep the shorter.
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?