《资治通鉴·后周纪·后周纪二》
指挥东面军队首先推进，张元徽率领一千骑兵攻击北周右路军队。
麾东军先进，张元徽将千骑击周右军。
Give the order for the army in the east to advance, and Zhang Yuanhui lead one thousand cavalry to attack the right wing of the army of the Northern Zhou.
<s>[INST] Kindly elucidate the central themes in this passage in English: 麾东军先进，张元徽将千骑击周右军。 [/INST] Give the order for the army in the east to advance, and Zhang Yuanhui lead one thousand cavalry to attack the right wing of the army of the Northern Zhou.</s>
Kindly elucidate the central themes in this passage in English: 麾东军先进，张元徽将千骑击周右军。
user
Give the order for the army in the east to advance, and Zhang Yuanhui lead one thousand cavalry to attack the right wing of the army of the Northern Zhou.
assistant