﴿ إِنَّ ٱلَّذِينَ أَجْرَمُوا۟ كَانُوا۟ مِنَ ٱلَّذِينَ ءَامَنُوا۟ يَضْحَكُونَ ﴾

“BEHOLD, those who have abandoned themselves to sin are wont to laugh at such as have attained to faith”

(Lo! the guilty) the idolaters, Abu Jahl and his host (used to laugh at those who believed) used to mock and poke fun at 'Ali and his fellow believers,