"And they say, 'When will this victory be?'"—meaning: the decree of their punishment; they said this in mockery and denial, believing that it would not occur.
﴿وَيَقُولُونَ مَتى هَذَا الْفَتْح﴾ يَعْنِي: الْقَضَاءَ بِعَذَابِهِمْ؛ قَالُوا ذَلِكَ استهزاءا وتكذيبا بِأَنَّهُ لَا يكون