"are you serious" in German Are you serious? Ist das Ihr Ernst? Detailed translations for "are you serious" Are you serious? Are you serious?(also: Are you in earnest?) Ist das Ihr Ernst? It's sort of the secret to these cookies. - Are you serious? Source: opensubtitles.org Corpus by OPUS Request review Ist das Ihr Ernst? - in the middle of the pool. - Are you serious? Source: opensubtitles.org Corpus by OPUS Request review Ist das Ihr Ernst?