《晋书·帝纪·第一章》
天子很担心，派遣征蜀护军秦朗督领步兵骑兵两万人，接受宣帝的指挥。
天子忧之，遣征蜀护军秦朗督步骑二万，受帝节度。
The emperor was greatly concerned about this and sent the Shu Hu Jun Qin Lang to lead 20,000 infantry and cavalry to follow Xuandi's orders.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 天子忧之，遣征蜀护军秦朗督步骑二万，受帝节度。 [/INST] The emperor was greatly concerned about this and sent the Shu Hu Jun Qin Lang to lead 20,000 infantry and cavalry to follow Xuandi's orders.</s>
Explain the meaning of this Classical Chinese passage in English: 天子忧之，遣征蜀护军秦朗督步骑二万，受帝节度。
user
The emperor was greatly concerned about this and sent the Shu Hu Jun Qin Lang to lead 20,000 infantry and cavalry to follow Xuandi's orders.
assistant