"See how they invent lies about Allah?" meaning: they fabricate them. "And sufficient is that as a manifest sin." "Manifest."
﴿انْظُرْ كَيْفَ يَفْتَرُونَ عَلَى اللَّهِ الْكَذِب﴾ أَي: يختلقونه ﴿وَكَفَى بِهِ إِثْمًا مُبينًا﴾ ﴿بَينا﴾
