أَوْ تُسْقِطَ ٱلسَّمَآءَ كَمَا زَعَمْتَ عَلَيْنَا كِسَفًا أَوْ تَأْتِىَ بِٱللَّهِ وَٱلْمَلَـٰٓئِكَةِ قَبِيلًا
Aw tusqitas samaaa'a kamaa za'amta 'alainaa kisafan aw taatiya billaahi walma laaa'ikati qabeelaa
or make the sky fall on us in pieces, as you claimed will happen; or bring God and the angels before us face to face;
or until you cause the sky to fall upon us in fragments, as you have claimed, or bring God and the angels before us face to face,