公元前二○○年，汉高祖刘邦被匈奴围困在平城，用陈平秘计侥幸脱围。回到长安！见萧何为他修建的未央官已经落成，气势豪华，极尽壮丽。可能因为这次出征狼狈而归，心气不佳，刘邦直冲萧何发起火来：“天下粗定，边境尚不安宁，劳苦征战，成败未可知，为什么急着把它段修得这 In 2000 BC, the Han emperor Liu Bang was besieged by the Huns in Pingcheng, with Chen Ping secret meter off. Back to Chang! See Xiao He Weiyang built for him has been completed, the momentum of luxury, magnificent. Probably because of this excuse awkward return, poor mood, Liu Bang straight Xiao He initiated a fire: "The world is rough, the border is not peaceful, hard-working expedition, success or failure is unknown, why hurry to repair it this section of this