Translation of croak in Spanish

Food was excellent, but unfortunately my wife could not eat it as it came with too much curry and she is sensitive to it. We were very tired and returned to the hotel around eleven o'clock.
I have studied at the faculty of Engineering. Just tell me about your difficulties and I'll try to help you. I would really like to help you with learning English. Kind regards and speak to you soon.
Than we took a cab to the actual border crossing. In the cab we took gave a ride to another tourist and with some scary Peruvian guy, who had a bag full of faked CDs. He didn't seem too nice and had many scarves.