Translation of unpretentious in German

By the way: I have now met a man who claims he is an expert in deep snow skiing... I find that very impressive for someone with only 3 years of snowboarding experience. It is probably just showing off.
Short question: when searching Spanish numbers, what would you write in Google? In Spanish, of course? In English I would write: 'spanish numbers' and not 'numbers in spanish'. The results are almost the same.
I've lived a year with my wife in Argentina, and that is why my Ppanish is actually quite good, but that's not really enough... I wish you a beautiful day and a happy New Year.