《元史·列传·卷四十九》
是年夏回军本国，在庆远募壮族人民屯田。三十年入朝，世祖对朝臣说： 湖广重地，只有刘二拔都能够镇守，他人不能。 
升泊崖为施溶州，以万顷知州事。三十一年，万顷复叛，攻之，不能下。
That summer, he brought his troops back to their own country and enlisted the help of the Zhuang ethnic group people in Qing Yuan to cultivate land for the army. In the thirtieth year, he entered the court and the Shi Zu said to the ministers: This place of Hu Guang is of great importance, and only Liu Er Ba Du will be able to guard it, no one else can. 
<s>[INST] Highlight and translate the key terms in the Classical Chinese text: 升泊崖为施溶州，以万顷知州事。三十一年，万顷复叛，攻之，不能下。, and explain their significance in the context of the passage. [/INST]
**Key terms and their translations:**
* 升泊崖 (Shēng bó yá): The name of a place, probably a mountain cliff.
* 施溶州 (Shī róng zhōu): The name of a prefecture.
* 万顷 (Wàn qǐng): The name of a person.
* 知州事 (zhī zhōu shì): To act as the prefect.
* 三十一年 (sān shí yī nián): The thirty-first year.
* 复叛 (fù pàn): To rebel again.
* 攻之 (gōng zhī): To attack it.
* 不能下 (bù néng xià): Could not conquer it.
**Significance in the context of the passage:**
This passage describes the events of the thirty-first year of the reign of the Shi Zu Emperor of the Yuan Dynasty. In the summer of that year, Wan Qing revolted again and attacked Shi Rong Prefecture. The Yuan army was unable to defeat the rebels and conquer the prefecture. This event shows that the Yuan Dynasty was facing significant challenges in controlling its territories in southern China.
**Final English translation:**
Sheng Boya was made the prefect of Shi Rong Prefecture, and Wan Qing was made the prefect of Wan Qing Prefecture. In the thirty-first year, Wan Qing revolted again and attacked Shi Rong Prefecture, but the Yuan army was unable to conquer it.</s>
Highlight and translate the key terms in the Classical Chinese text: 升泊崖为施溶州，以万顷知州事。三十一年，万顷复叛，攻之，不能下。, and explain their significance in the context of the passage.
user
**Key terms and their translations:**
* 升泊崖 (Shēng bó yá): The name of a place, probably a mountain cliff.
* 施溶州 (Shī róng zhōu): The name of a prefecture.
* 万顷 (Wàn qǐng): The name of a person.
* 知州事 (zhī zhōu shì): To act as the prefect.
* 三十一年 (sān shí yī nián): The thirty-first year.
* 复叛 (fù pàn): To rebel again.
* 攻之 (gōng zhī): To attack it.
* 不能下 (bù néng xià): Could not conquer it.
**Significance in the context of the passage:**
This passage describes the events of the thirty-first year of the reign of the Shi Zu Emperor of the Yuan Dynasty. In the summer of that year, Wan Qing revolted again and attacked Shi Rong Prefecture. The Yuan army was unable to defeat the rebels and conquer the prefecture. This event shows that the Yuan Dynasty was facing significant challenges in controlling its territories in southern China.
**Final English translation:**
Sheng Boya was made the prefect of Shi Rong Prefecture, and Wan Qing was made the prefect of Wan Qing Prefecture. In the thirty-first year, Wan Qing revolted again and attacked Shi Rong Prefecture, but the Yuan army was unable to conquer it.
assistant