《辽史·列传·卷二十三》
夏人列马阵拒战于河西，以盾蔽身而立，萧惠击败之。
夏人列拒马于河西，蔽盾以立，惠击败之。
The Xia people set up a horse formation to resist the battle in Hexi, standing with shields to protect their bodies, but Xiao Hui defeated them.
<s>[INST] Kindly elucidate the central themes in this passage in English: 夏人列拒马于河西，蔽盾以立，惠击败之。 [/INST] The Xia people set up a horse formation to resist the battle in Hexi, standing with shields to protect their bodies, but Xiao Hui defeated them.</s>
Kindly elucidate the central themes in this passage in English: 夏人列拒马于河西，蔽盾以立，惠击败之。
user
The Xia people set up a horse formation to resist the battle in Hexi, standing with shields to protect their bodies, but Xiao Hui defeated them.
assistant