《资治通鉴·唐纪·唐纪四十八》
德宗脸色一变，说： 柳浑是一个书生，不晓得边疆大计。你也说这种话吗！ 
上变色曰： 柳浑书生，不知边计；大臣亦为此言邪！ 
De Zong’s face changed, he said: Liu Hun is a bookworm, without understanding of frontier strategy. Are you also saying things like this?
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 上变色曰： 柳浑书生，不知边计；大臣亦为此言邪！  [/INST] De Zong’s face changed, he said: Liu Hun is a bookworm, without understanding of frontier strategy. Are you also saying things like this?</s>
Explain the meaning of this Classical Chinese passage in English: 上变色曰： 柳浑书生，不知边计；大臣亦为此言邪！
user
De Zong’s face changed, he said: Liu Hun is a bookworm, without understanding of frontier strategy. Are you also saying things like this?
assistant