"be completely and utterly at sb s mercy" in German to be completely and utterly at sb.'s mercy jdm. auf Gedeih und Verderb ausgeliefert sein Detailed translations for "be completely and utterly at sb s mercy" to be completely and utterly at sb.'s mercy to be completely and utterly at sb.'s mercy jdm. auf Gedeih und Verderb ausgeliefert sein