حَتَّىٰٓ إِذَا فَتَحۡنَا عَلَيۡهِم بَابٗا ذَا عَذَابٖ شَدِيدٍ إِذَا هُمۡ فِيهِ مُبۡلِسُونَ ٧٧
Ḥattā idhā fataḥnā ʿalayhim bāban dhā ʿadhābin shadīdin idhā hum fīhi mublisūn.
Until when We have opened before them a door of severe punishment, immediately they will be therein in despair.
Translation: Sahih International