Ich weiß nicht. Learn Unstarted Literal Breakdown Recording English German Learn I ich Learn know weiß Learn not nicht Learn Summary The German translation for “I don't know.” is Ich weiß nicht.. The German, Ich weiß nicht., can be broken down into 3 parts:"I" (ich), "know" (weiß) and "not" (nicht). Practice Lesson "I don't know." Practice (4) Lesson Learn Lesson words I, know, not etc. View all lesson words Lesson phrases I don't know. etc. View all lesson phrases Themed Courses Colours 1 Part of Speech Courses Adjectives 3 Acknowledgements Audio Google text-to-speech