وَلَئِنْ أَخَّرْنَا عَنْهُمُ ٱلْعَذَابَ إِلَىٰٓ أُمَّةٍۢ مَّعْدُودَةٍۢ لَّيَقُولُنَّ مَا يَحْبِسُهُۥٓ ۗ أَلَا يَوْمَ يَأْتِيهِمْ لَيْسَ مَصْرُوفًا عَنْهُمْ وَحَاقَ بِهِم مَّا كَانُوا۟ بِهِۦ يَسْتَهْزِءُونَ
How to read it
Wa la'in' 'akhkhar'nā ʻan'humu l-ʻadhāba 'ilā 'ummatin mmaʻ'dūdatin llayaqūlunna mā yaḥ'bissuhu . 'alā yaw'ma ya''tīhim' lay'sa maṣ'rūfan ʻan'hum' waḥāqa bihim mmā kānū bihī yas'tah'zi'ūna
If We delay the penalty for them for a definite term, they are sure to say, "What keeps it back?" Ah! On the day it (actually) reaches them, nothing will turn it away from them, and they will be completely encircled by that which they used to mock at!
Translation: Abdullah Yusuf Ali

