Word by Word Analysis

وَلَوْ أَنَّآ أَهْلَكْنَـٰهُم بِعَذَابٍ مِّن قَبْلِهِۦ لَقَالُوا۟ رَبَّنَا لَوْلَآ أَرْسَلْتَ إِلَيْنَا رَسُولًا فَنَتَّبِعَ ءَايَـٰتِكَ مِن قَبْلِ أَن نَّذِلَّ وَنَخْزَىٰ 134

And if We had destroyed them with a punishment before him, they would have said, "Our Lord, why did You not send to us a messenger so we could have followed Your verses [i.e., teachings] before we were humiliated and disgraced?"