and if somebody can come in under your shield

还有就是敌人从下方穿过你的盾牌
then your vulnerable area will be vulnerable indeed.

那么你胸部以下小腿以上的部分就很危险
So, those are places where you see people get wounded and killed,

所以这两处就是士兵们容易受伤的地方
if that can be done.

严重时可能死亡
One other very important thing to understand about this defensive problem

对于防御的问题还有另外一个很重要的因素
and this is one of the debatable issues

这也是老顽固们对传统观点
between the old guard and the traditional interpretation;

争论的一个话题
I'm still giving you the traditional view.

我还是采用传统观点的说法
If you imagine that your hoplite is standing with his left foot

如果一名重步兵持盾站立
slightly extended in front of his right,

左脚在前右脚在后
and we'll see in a moment it pretty well

这种姿势对于他来说是很舒服的
has to be in order to deal with the spear that he's grasping,

因为他能很好得运用手中的矛