They challenge thee to hasten the coming upon them of [God's] chastisement: but, verily, hell is bound to encompass all who deny the truth

They ask thee to hasten on the Punishment: but, of a surety, Hell will encompass the Rejecters of Faith!-

They bid thee hasten on the doom, when lo! hell verily will encompass the disbelievers

They ask thee to hasten on the chastisement, and surely hell encompasses the disbelievers --

They urge you to hasten the punishment. And indeed, Hell will be encompassing of the disbelievers