Translation of aloofness in German

In addition, may i know whether you are using external resources to translate? It is very important not to copy words from other dictionaries. Better to take just the best two translations for a certain word and not all translations.
It is late here. I will summarize a few points we discussed and I am looking forward to work with you on this project, hopefully for a long time. I have seen that you have already added a few words.
Have you ever visited the U.S. before and if so, where have you been in the U.S.? I've been travelling in California, it was very amazing. We have traveled by car. Here are my corrections.