Translation of sniff 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.
If you have trouble in expressing something just write it down first. This site is very helpful to learn languages. I think it's very good to have conversations with other people. Take care.
We walked almost every alley in Cusco, stunned by its beauty and ignoring the developing altitude thickness, which resulted in the most horrible night of our lives.