﴿ وَبِكُفْرِهِمْ وَقَوْلِهِمْ عَلَىٰ مَرْيَمَ بُهْتَٰنًا عَظِيمًۭا ﴾

“and for their refusal to acknowledge the truth, and the awesome calumny which they utter against Mary,”

(And because of their disbelief) in Jesus and the Gospel (and of their speaking against Mary a tremendous calumny) the calumny for which We have turned them into swine;