Translation of clever in Spanish

She suddenly had to vomit and unfortunately she vomited on the new shoes of our friend and on her new Jeans. It was very embarrassing, especially because we were treated so well by this nice young man.
Why do you wanna learn to speak Portuguese, it's a very difficult language? I don't know many people who can speak well, except Portuguese and Brazilians of course. I love the sound of it.
We woke up very early because we wanted to continue to Bariloche in Argentina. We bought some food and sat down by the lake to eat a breakfast sandwich. It was so foggy that we could not see the volcano.