كَانُواْ لَا يَتَنَاهَوۡنَ عَن مُّنكَرٖ فَعَلُوهُۚ لَبِئۡسَ مَا كَانُواْ يَفۡعَلُونَ
Kanoo la yatanahawna AAan munkarin faAAaloohu labisa ma kanoo yafAAaloona
Nor did they (usually) forbid one another the iniquities which they committed: evil indeed were the deeds which they did.