وَأَمْطَرْنَا عَلَيْهِم مَّطَرًا ۖ فَسَآءَ مَطَرُ ٱلْمُنذَرِينَ
Wa amtarnaa 'alaihimm mataran fasaaa'a matarul munzareen
and We brought rain down on them. How dreadful that rain was for those who had been warned!
And we rained down upon them a rain — how dreadful was the rain on those who had been warned.