6 Then back again turning his busy hand, 7 Them both at once compelled with courage bold,
at once > simultaneously
8 To yield wide way to his heart-thrilling brand;
thrilling > piercing brand > sword
9 And though they both stood stiff, yet could not both withstand.
stiff > strong, firm; hence: resolute, resolutely
208.42
As saluage Bull, whom two fierce mastiues bayt,
2 When rancour doth with rage him once engore,
Forgets with warie ward them to awayt,
4 But with his dreadfull hornes them driues afore,
Or flings aloft, or treads downe in the flore,
6 Breathing out wrath, and bellowing disdaine,
That all the forrest quakes to heare him rore:
8 So rag'd Prince Arthur twixt his foemen twaine,
That neither could his mightie puissance sustaine.
1 As savage bull, whom two fierce mastiffs bait,
savage > wild; savage bait > harass, attack; also: worry, torment (a captive or chained animal, for "sport")