5:79
كَانُوا لَا یَتَنَاهَوْنَ عَنْ مُنْكَرٍ فَعَلُوهُؕ لَبِئْسَ مَا كَانُوا یَفْعَلُونَ
Kanoo la yatanahawna AAan munkarin faAAaloohu labisa ma kanoo yafAAaloona
Translations
They used not to prevent one another from wrongdoing that they did. How wretched was that which they were doing
Saheeh International
They restrained not one another from the wickedness they did. Verily evil was that they used to do
Marmaduke Pickthall