Translation of half-breed in Spanish

We would love to have you here as our guests! My niece Katja had also many diffculties with the new surroundings. She is really upset with this new change. How was your trip to Italy? I'll keep writing to you!
We begin to talk about 'we' and 'they', which makes us partly discriminating. As a whole, I guess that all of us have some predispositions, but the difference is, that some know how to supress it.
We were Lao Cai around six o'clock but the train left only at eight. I was somehow relieved though that we had all the dangerous bus journeys behind us and that we left this lovely place soon.