In plain words
The poet, to the Lord: You alone are the great warrior who went with the army of monkey troops over the roaring sea [on the dam you built] and loosed fierce arrows there, so that the demons [Rāvaṇa and the rest] hid in fear. And are you not the lotus-footed one who, to him who gave you the land you begged for [Mahābali], left not a spot to stay, setting your feet out wide and measuring it all?