Translation of Zwangsjacke

Although I put my wallet in the front pocket of my pants it was not there. I had been so diverted by the aggressiveness of these kids that I did not feel it when they grabbed it out of my pocket.
When we contacted you, our trainer was indeed for students only. We made some upgrades since then. Our site is now a vocabulary platform, because we support the creation of lessons by teachers and sharing.
We left and went back to the boat which took us back to the big vessel. We started our journey back to the main land. It was already late and from the main land, it was still a four hour drive back.