Translation of discredit in Spanish

I started to speak Spanish because i had i boyfriend from Mexico. Especially I've never learned Spanish . I only listened and repeated what he spoke. Now i speak Spanish well but i need to learn grammar rules.
The next temple was around forty five minutes away. Its name was Beng Melea. It was placed on a hugh area covered with trees and plans. The buildings of the temple were surrounded by nature.
At noon we continued to the Altiplano to visit some lakes and volcanoes. At 4000 meter above see level it became suddenly extremely cold and our heads started to spin. Altitude sickness?