77حَتّىٰ إِذا فَتَحنا عَلَيهِم بابًا ذا عَذابٍ شَديدٍ إِذا هُم فيهِ مُبلِسونَFaridul HaqueTo the extent that when We opened the gate of a severe punishment for them, they thereupon lie despairingly in it.