[Indeed, those who conceal what Allah has sent down of the Book] refers to the People of the Book who altered the Book of Allah. [And they exchange it for a small price] meaning: the worldly gain that they used to have. [Those do not consume into their bellies except the Fire] meaning: they shall eventually consume fire because of it. [And Allah will not speak to them on the Day of Resurrection] meaning: He will not speak to them in a way they would like, though He may speak to them and question them regarding
﴿إِنَّ الَّذِينَ يَكْتُمُونَ مَا أَنْزَلَ الله من الْكتاب﴾ هُم أهل الْكتاب الَّذين حرفوا كتاب اللَّه ﴿وَيَشْتَرُونَ بِهِ ثَمَنًا قَلِيلا﴾ يَعْنِي: المأكلة الَّتي كَانَت لَهُم ﴿أُولَئِكَ مَا يَأْكُلُونَ فِي بُطُونِهِمْ إِلَّا النَّار﴾ أَي: سَوف يَأْكُلُون بِهِ النَّار ﴿وَلا يُكَلِّمُهُمُ اللَّهُ يَوْمَ الْقِيَامَةِ﴾ أَي: لَا يكلمهم بِمَا يحبونَ، وَقد يكلمهم ويسألهم عَنْ