In plain words
Against Jarāsandha, who came swollen with pride, Your strength was not enough to stand squarely in battle; yet the fire arrow You set on that ocean was enough to make it boil. Salutation to Nārāyaṇa.
Word for word
Against Jarāsandha who came in pride, You had not strength enough to stand squarely in battle; the fire arrow You fixed on that ocean was enough to make it boil. Salutation to Nārāyaṇa.