Word by Word Analysis

۞ وَإِن تَعْجَبْ فَعَجَبٌ قَوْلُهُمْ أَءِذَا كُنَّا تُرَٰبًا أَءِنَّا لَفِى خَلْقٍ جَدِيدٍ ۗ أُو۟لَـٰٓئِكَ ٱلَّذِينَ كَفَرُوا۟ بِرَبِّهِمْ ۖ وَأُو۟لَـٰٓئِكَ ٱلْأَغْلَـٰلُ فِىٓ أَعْنَاقِهِمْ ۖ وَأُو۟لَـٰٓئِكَ أَصْحَـٰبُ ٱلنَّارِ ۖ هُمْ فِيهَا خَـٰلِدُونَ 5

And if you are astonished, [O Muḥammad] - then astonishing is their saying, "When we are dust, will we indeed be [brought] into a new creation?" Those are the ones who have disbelieved in their Lord, and those will have shackles upon their necks, and those are the companions of the Fire; they will abide therein eternally.