77حَتّىٰ إِذا فَتَحنا عَلَيهِم بابًا ذا عَذابٍ شَديدٍ إِذا هُم فيهِ مُبلِسونَTaqi Usmaniuntil when We will open against them the door of a severe punishment, they will be taken aback in despair.