Translation of twat in German

In the that time of the year, when I used to go to school, I had to get up very early and leave the house at around seven o'clock in the morning. At this time it was still night, dark and cold outside.
First of all they gave me some chicken, which the mother has cooked especially for me. Well, the bizarre thing was that they did not join me while I was eating because I had a different meal.
On the way we visited many small hill tribe villages. The walk was through green, wet rice fields. We really enjoyed it. Our guide explained us about the region and taught us some Vietnamese.