Translation of untiring in German

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.
Last week for example, I could have told you in advance that there is no chance for the other trials (if I knew): The traffic on the major website was too big. We should test it again sometime.
The same evening we left Patagonia and flew to the capital of Argentina, Buenos Aires. We have waited a long time for this moment as we have not been in a city for almost two weeks and we usually love the city.