Translation of shortsighted in German

The people in the market knew how to bargain and one would hardly have a change to lower the price drastically. We bought some Espresso cups carved and painted with some local paintings.
I learn things really fast and easily. I also know Italian well. I can make whole conversations in Italian. You are a fast learner, because Italian is a hard language to learn, especially for German speakers.
Sorry but I hadn't have enough time in the last two weeks to respond to your email and to your interesting offer. I really need to think about it a little longer, and I am sure you'd understand.