《汉书·传·匈奴传下》
派左骨都侯、右伊秩訾王呼卢訾以及左贤王乐率兵入侵云中郡的益寿塞，杀了许多官吏和百姓。
遣左骨都侯、右伊秩訾王呼卢訾及左贤王乐将兵入云中益寿塞，大杀吏民。
He sent Zuo Guduhou, You Yizhizizi King Huzhizizi, and Zuo Xianzhi King Yue to lead the invasion along the Yishou fortress in Yunzhong County and killed many officials and citizens.
<s>[INST] Kindly elucidate the central themes in this passage in English: 遣左骨都侯、右伊秩訾王呼卢訾及左贤王乐将兵入云中益寿塞，大杀吏民。 [/INST] He sent Zuo Guduhou, You Yizhizizi King Huzhizizi, and Zuo Xianzhi King Yue to lead the invasion along the Yishou fortress in Yunzhong County and killed many officials and citizens.</s>
Kindly elucidate the central themes in this passage in English: 遣左骨都侯、右伊秩訾王呼卢訾及左贤王乐将兵入云中益寿塞，大杀吏民。
user
He sent Zuo Guduhou, You Yizhizizi King Huzhizizi, and Zuo Xianzhi King Yue to lead the invasion along the Yishou fortress in Yunzhong County and killed many officials and citizens.
assistant