"let sth alone" in German to let sth. alone etw. in Ruhe lassen sein lassen seinlassen Detailed translations for "let sth alone" to let sth. alone to let sth. alone(also: to leave sth. alone) etw. in Ruhe lassen to let sth. alone(also: to leave sth. alone) sein lassen to let sth. alone(also: to leave sth. alone, to stop sth.) seinlassen{transitive verb}