Well, you try. However, trying to hit four armed assailants with brute force doesn't turn out so well for you, as all you have is a sword and shield, not a gnomish tank. Very quickly, you find yourself surrounded on all sides by all four thugs, none of whom seem much the worse for wear.
Methodically kill the thugs to avoid taking any chances. Defend yourself, as offense didn't seem to work out so well. Try out a maneuver you've heard of called "Bladestorm".