upbraid > reprove
4 And show the example of your childish might,
example > pattern
5 With silly weak old woman thus to fight.
silly > helpless; innocent
6 Great glory and gay spoil sure have you got,
spoil > plunder
7 And stoutly proved your puissance here in sight;
stoutly > bravely puissance > power, strength (allied to prowess in arms)
8 That shall Pyrochles well requite, I wot,