"on what" in German on what? worauf Detailed translations for "on what" on what? on what?(also: upon what?) worauf{pronoun} You turn in some loony, speculative, what-if story based on what? A woman's intuition? Source: opensubtitles.org Corpus by OPUS Request review Sie geben mir eine verrückte, spekulative Story, und worauf basiert sie? And you base that on what? Source: opensubtitles.org Corpus by OPUS Request review Und worauf basiert diese Annahme?