Translation of verschließen

First of all I have to say that I am trying not to get myself into a situation where I have to eat thing that I don't like. That means that I have never tried a strange meal or bizzare food.
We had time to walk around the waterfall but refrained from entering the little lake at the bottom. My fellow tourtakers were quiet nice and we spend a while just sitting in the grass near the water.
You cannot be in this city without watching a football game. We therefore bought tickets two days ahead in order to see the soccer game between Bocca Juniors and Newell's Old Boys from Rosario.