لَاا تَحْسَبَنَّConsider not,means, `do not think, O Muhammad,' that:الَّذِينَ كَفَرُواthe disbelievers,meaning, those who opposed and denied you,مُعْجِزِينَ فِي الاَْرْضِcan escape in the land.means, that they can flee from Allah. No, Allah is able to deal with them and He will punish them most severely for that.Allah says:وَمَأْوَاهُمُTheir abode,meaning, in the Hereafter,النَّارُ وَلَبِيْسَ الْمَصِيرُshall be the Fire -- and worst indeed is that destination.means, how terrible the consequences will be for the disbelievers, how evil a place to stay in and how awful a place to rest