Translation of stun in Spanish

We could not believe how difficult it was to find a decent room in this four star hotel. I went to the reception desk and complained about our room and about the attitude and bad service.
Considering that the lake was full of crocodiles we gave in to their demand and bought a can of Coca Cola. It cost us two dollars, and considering Cambodia's wholesale price they got plenty of markup.
The drive to these lagoons was not easy. The jeep did not have air conditioning, so that in the sun it would get extremely hot and in the shade extremely cold. The jeeps were around 15 years old.