72:26 He [alone] knows that which is beyond the reach of a created being's perception, and to none does He disclose aught of the mysteries of His Own unfathomable knowledge,*
Muhammad Asad (The Message Of Quran)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
the while they will be running confusedly to and fro, with their heads upraised [in supplication], unable to look away from what they shall behold,* and their hearts an abysmal void.
And as for the sacrifice of cattle, We have ordained it for you as one of the symbols set up by God,* in which there is [much] good for you. Hence, extol the name of God over them when they are lined up [for sacrifice]; and after they have fallen lifeless to the ground, eat of their flesh,* and feed the poor who is contented with his lot (and does not beg), as well as him who is forced to beg. It is to this end* that We have made them* subservient to your needs, so that you might have cause to be grateful.