Word by Word Analysis

وَأَنِ ٱحْكُم بَيْنَهُم بِمَآ أَنزَلَ ٱللَّهُ وَلَا تَتَّبِعْ أَهْوَآءَهُمْ وَٱحْذَرْهُمْ أَن يَفْتِنُوكَ عَنۢ بَعْضِ مَآ أَنزَلَ ٱللَّهُ إِلَيْكَ ۖ فَإِن تَوَلَّوْا۟ فَٱعْلَمْ أَنَّمَا يُرِيدُ ٱللَّهُ أَن يُصِيبَهُم بِبَعْضِ ذُنُوبِهِمْ ۗ وَإِنَّ كَثِيرًا مِّنَ ٱلنَّاسِ لَفَـٰسِقُونَ 49

And judge, [O Muḥammad], between them by what Allāh has revealed and do not follow their inclinations and beware of them, lest they tempt you away from some of what Allāh has revealed to you. And if they turn away - then know that Allāh only intends to afflict them with some of their [own] sins. And indeed, many among the people are defiantly disobedient.