"warn" in German to warn warnen Detailed translations for "warn" to warn to warn warnen{transitive verb} Was somebody trying to communicate with them? Was somebody trying to warn them, help them? Source: opensubtitles.org Corpus by OPUS Request review Wollte sie jemand warnen oder ihnen helfen? We are going to warn the British. We're going to find Lane, we're going to get him, before he takes Source: opensubtitles.org Corpus by OPUS Request review Wir warnen die Briten.