《晋书·帝纪·第三章》
初五，封皇弟司马延祚为乐平王。
己未，封皇弟延祚为乐平王。
On the 5th day, the emperor's younger brother, Sima Yanzuo, was enfeoffed as the King of Lepingle.
<s>[INST] Analyze the grammatical structure of the following Classical Chinese sentence and provide its English translation: 己未，封皇弟延祚为乐平王。 [/INST]
**Grammatical analysis:**
- **己未**: time adverbial, on the 5th day
- **封**: verb, to enfeoff
- **皇弟**: noun, emperor's younger brother
- **延祚**: name
- **为**: preposition, as
- **乐平王**: noun, King of Lepingle
**English translation:**
On the 5th day, the emperor's younger brother, Sima Yanzuo, was enfeoffed as the King of Lepingle.</s>
Analyze the grammatical structure of the following Classical Chinese sentence and provide its English translation: 己未，封皇弟延祚为乐平王。
user
**Grammatical analysis:**
- **己未**: time adverbial, on the 5th day
- **封**: verb, to enfeoff
- **皇弟**: noun, emperor's younger brother
- **延祚**: name
- **为**: preposition, as
- **乐平王**: noun, King of Lepingle
**English translation:**
On the 5th day, the emperor's younger brother, Sima Yanzuo, was enfeoffed as the King of Lepingle.
assistant