Word by Word Analysis

وَقَدْ مَكَرُوا۟ مَكْرَهُمْ وَعِندَ ٱللَّهِ مَكْرُهُمْ وَإِن كَانَ مَكْرُهُمْ لِتَزُولَ مِنْهُ ٱلْجِبَالُ 46

And they had planned their plan, but with Allāh is [recorded] their plan, even if their plan had been [sufficient] to do away with the mountains.