《北史·列传·卷二十九》
三十一岁那年，承袭华阴伯的爵号。
年三十一，袭爵华阴伯。
At the age of 31, he inherited the title of Huayin Bo.
<s>[INST] Convert the following English text into Classical Chinese: At the age of 31, he inherited the title of Huayin Bo. [/INST] 年三十一，袭爵华阴伯。</s>
Convert the following English text into Classical Chinese: At the age of 31, he inherited the title of Huayin Bo.
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年三十一，袭爵华阴伯。
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