1 So boldly he him bears, and rushes forth
So > Similarly him > [himself]
2 Between them both, by conduct of his blade.
conduct > management, control
3 Wondrous great prowess and heroic worth
prowess > valour
4 He showed that day, and rare example made, 5 When two so mighty warriors he dismayed:
so > such dismayed > overcame, defeated
6 At once he wards and strikes, he takes and pays, 7 Now forced to yield, now forcing to invade, 8 Before, behind, and round about him lays: 9 So double were his pains, so double be his praise.
pains > efforts