Translation of Einzelstück

He also told me that he had build his scooter by himself. I could not understand how a doctor was able to build such a machine on his own. It seems that the circumstances made people capable of many things.
Nevertheless I think that we need to communicate. All in all, we will learn a lot from each other, mostly by writing, but speaking exercises are also really good for your Spanish skills. Is this OK?
On the way back I visited a private beach resort. I just wanted to see whether I could get in and it was not a problem at all. The resort belonged to some club on the main land near Cancun.