(بِالآخِرَة): In a transaction, the letter ‘Be’ is normally affixed to the thing which is left or sold off. The buyer pays an amount of wealth and takes the merchandise. For example, if you bought a book which costs a thousand Syrian Pounds, it means you have paid that amount and taken the book. Thus, these people who are described in the verse have taken the worldly life and left the Hereafter. This is also the case for those who explain the religion according to his own desires.
Thus, ﴾فَلا يُخَفَّفُ عَنْهُمْ الْعَذَابُ وَلا هُمْ يُنصَرُونَ﴿ “so the punishment will not be lightened for them, nor will they be aided.”