Translation of infirm in German

We started the next day with the famous breakfast at our famous Rex hotel. The breakfast was not good at all and they tried to mimic an American continental breakfast, instead of using typical food.
I am learning Spanish in university but I also have to improve it for private reasons. Do you have any suggestions. It is giving me a hard time lately as it is difficult. I need to be very patient.
Although you need at least 2 weeks to visit Peru, it was worth being there for 5 days. It definitely gave us a taste: we will be back for a longer stay.