"be alert for trouble" in German to be alert for trouble auf der Hut sein wachsam sein Detailed translations for "be alert for trouble" to be alert for trouble to be alert for trouble(also: to be on alert, to be on one's guard, to look out for squalls, to be alert) auf der Hut sein to be alert for trouble(also: to be on alert, to be alert, to be on the qui vive, to put on guard) wachsam sein