Translation of hopelessness in German

A little latter we came back to our home and Leonard offered me to take me around the city with his motorbike. I could not refuse although I am a little scared by these vehicles, as they are dangerous.
Let me summarize our meeting from Sunday, please give me feedback if something is unclear. I will send you the study material, including lessons and vocabulary lists to ensure the accuracy of training.
The door of the car was still open, so that he could not drive away. Luckily, two foreigners walked by and we were asking them to help us out. They payed for us and warned us that these situations were common.