Or whether [or not] We show you that which We have promised them, indeed, We are Perfect in Ability.
The Saheeh International Quran Translation
أَوْ نُرِيَنَّكَ ٱلَّذِى وَعَدْنَٰهُمْ فَإِنَّا عَلَيْهِم مُّقْتَدِرُونَOr whether [or not] We show you that which We have promised them, indeed, We are Perfect in Ability.