《周书·列传·卷十七》
又跟随太祖在沙苑打败了齐神武，加授开府、侍中，晋爵为河间郡公，食邑增至二千七百户。
又从破齐神武于沙苑，加开府、侍中，进爵河间郡公，增邑通前二千七百户。
He followed Emperor Xiaowen to defeat the Qi at Shayuan, and was granted the title of Baron of Kaifu, Minister of the Interior, and Duke of Hejian, and his fief was increased to 2,700 households.
<s>[INST] Highlight and translate the key terms in the Classical Chinese text: 既而败齐神武于固山，进爵为南平郡王，八百户。, and explain their significance in the context of the passage. [/INST]
Key terms and their translations:
既而: later 
败: defeat 
固山: Gushan (a place name)
进爵: promote the title 
郡王: prince of commandery
八百户: 800 households

Final English translation: Later, he defeated the Qi at Gushan and was promoted to the Prince of Nanping Commandery, with 800 households.</s>
Highlight and translate the key terms in the Classical Chinese text: 既而败齐神武于固山，进爵为南平郡王，八百户。, and explain their significance in the context of the passage.
user
Key terms and their translations:
既而: later 
败: defeat 
固山: Gushan (a place name)
进爵: promote the title 
郡王: prince of commandery
八百户: 800 households

Final English translation: Later, he defeated the Qi at Gushan and was promoted to the Prince of Nanping Commandery, with 800 households.
assistant