When they saw “the disgusting thing that causes desolation... standing in a holy place, ” that is, the armies of Rome surrounding and penetrating Jerusalem, they knew that it was time to flee.
فَعِنْدَمَا رَأَوُا « ٱلرِّجْسَةَ ٱلْمُخَرِّبَةَ .‏ .‏ .‏