Schall und Rauch

== German == === Etymology === Literally, “sound and smoke”. === Pronunciation === === Noun === Schall und Rauch meaninglessness, immateriality; smoke and mirrors Worte sind Schall und Rauch ― (please add an English translation of this usage example) sich in Schall und Rauch auflösen ― to vanish into thin air === Further reading === “Schall und Rauch”, in Digitales Wörterbuch der deutschen Sprache‎[2] (in German)