Word by Word Analysis

هَـٰذَا كِتَـٰبُنَا يَنطِقُ عَلَيْكُم بِٱلْحَقِّ ۚ إِنَّا كُنَّا نَسْتَنسِخُ مَا كُنتُمْ تَعْمَلُونَ 29

This, Our record, speaks about you in truth. Indeed, We were having transcribed whatever you used to do."