《汉书·传·张周赵任申屠传》
这一年，戚姬之子如意为赵王，才十岁，高祖担心自己死后他不能自保。
是岁，戚姬子如意为赵王，年十岁，高祖忧万岁之后不全也。
In that year, Empress Qi's son Ruyi became the King of Zhao. He was only ten years old. The emperor was worried that he could not protect himself after his death.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 是岁，戚姬子如意为赵王，年十岁，高祖忧万岁之后不全也。 [/INST] In that year, Empress Qi's son Ruyi became the King of Zhao. He was only ten years old. The emperor was worried that he could not protect himself after his death.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 是岁，戚姬子如意为赵王，年十岁，高祖忧万岁之后不全也。
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In that year, Empress Qi's son Ruyi became the King of Zhao. He was only ten years old. The emperor was worried that he could not protect himself after his death.
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