Word by Word Analysis

وَإِذَا تَوَلَّىٰ سَعَىٰ فِى ٱلْأَرْضِ لِيُفْسِدَ فِيهَا وَيُهْلِكَ ٱلْحَرْثَ وَٱلنَّسْلَ ۗ وَٱللَّهُ لَا يُحِبُّ ٱلْفَسَادَ 205

And when he goes away, he strives throughout the land to cause corruption therein and destroy crops and animals. And Allāh does not like corruption.