"why do you want to know" in German Why do you want to know? Warum willst du das wissen? Detailed translations for "why do you want to know" Why do you want to know? Why do you want to know? Warum willst du das wissen? - Why do you want to know? Source: opensubtitles.org Corpus by OPUS Request review Warum willst du das wissen? - Why do you want to know? Source: opensubtitles.org Corpus by OPUS Request review - Warum willst du das wissen?