Word by Word Analysis

وَقَالُوا۟ لَوْ كُنَّا نَسْمَعُ أَوْ نَعْقِلُ مَا كُنَّا فِىٓ أَصْحَـٰبِ ٱلسَّعِيرِ 10

And they will say, "If only we had been listening or reasoning, we would not be among the companions of the Blaze."