《史记·三十世家·赵世家》
当初，赵盾在世的时候，曾梦见叔带抱着他的腰痛哭，非常悲伤；之后又大笑，还拍着手唱歌。
初，赵盾在时，梦见叔带持要而哭，甚悲；已而笑，拊手且歌。
Back when Zhao Dun was alive, he dreamed of Uncle Dai embracing his waist and crying sorrowfully; later, he laughed out loud and even clapped his hands and sang.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 初，赵盾在时，梦见叔带持要而哭，甚悲；已而笑，拊手且歌。 [/INST] Back when Zhao Dun was alive, he dreamed of Uncle Dai embracing his waist and crying sorrowfully; later, he laughed out loud and even clapped his hands and sang.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 初，赵盾在时，梦见叔带持要而哭，甚悲；已而笑，拊手且歌。
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Back when Zhao Dun was alive, he dreamed of Uncle Dai embracing his waist and crying sorrowfully; later, he laughed out loud and even clapped his hands and sang.
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