تفسير : (nay) truly, (again, but they will come to know!) they will come to know in the grave what will be done with them. this is a threat from allah to those who disbelieved in muhammad (pbuh) and in the qur'an.
Jalāl al-Dīn al-Maḥallī
تفسير : again, no indeed! they will come to know! ([reiterated] for emphasis; thumma is added here to declare that the second threat of chastisement is more severe than the first). god, exalted be he, then alludes to his power to resurrect, saying: