Surah Al-Mumenoon Ayah #77 Translated in English
حَتَّىٰ إِذَا فَتَحْنَا عَلَيْهِمْ بَابًا ذَا عَذَابٍ شَدِيدٍ إِذَا هُمْ فِيهِ مُبْلِسُونَ
Until when We have opened before them a door of severe punishment, immediately they will be therein in despair.