Translation of widersprechen

In the meantime I am listening to some Spanish CDs. They are intended for the car, but no one can tell you when to listen to it, how many times and how often. Please understand that I work a lot.
They wanted to know everything about relationships in Switzerland. One of the asked me of how guys propose friendships to girls. I did not know what she meant and explained that we were very informal.
I was the only one at the beach, as it was too early and all the party people were still sleeping. After that I hired a motorcycle in order to drive around the island. I never drove before that.