Translation of sway in Spanish

I was wondering if you can tell me if few words how to study here because I don't know that's why I'm not on line most of the time,thanks. Can you help me explaining me how to do the lessons, I still don't understand it
We drove to the next spot exactly at noon. We were told that this spot would not be crowded at all during the lunch hour and we were not surprised to find it completely empty without anyone else.
The next day we had to take the bus in order to get back to the airport in Calama. When we arrived at the airport was empty and no counter was open yet. We had to wait for 4 hours.