"i know too well you can t do it" in German I know too well, you can't do it. Ich weiß genau, dass du es nicht kannst. Detailed translations for "i know too well you can t do it" I know too well, you can't do it. I know too well, you can't do it.(also: I defy you to do it.) Ich weiß genau, dass du es nicht kannst.