Word by Word Analysis

وَكَذَٰلِكَ فَتَنَّا بَعْضَهُم بِبَعْضٍ لِّيَقُولُوٓا۟ أَهَـٰٓؤُلَآءِ مَنَّ ٱللَّهُ عَلَيْهِم مِّنۢ بَيْنِنَآ ۗ أَلَيْسَ ٱللَّهُ بِأَعْلَمَ بِٱلشَّـٰكِرِينَ 53

And thus We have tried some of them through others that they [i.e., the disbelievers] might say, "Is it these whom Allāh has favored among us?" Is not Allāh most knowing of those who are grateful?