“后来居上”这个成语的意思是后来的超过先前的,特别用来形容后起之秀胜过了前辈。在今天这是一个褒义词,但是这个成语最早诞生的时候,却是一个地地道道的贬义词。这个成语出自《史记·汲郑列传》。汲黯是汉武帝时期的著名大臣,这个人的特点是为人严正,严正到了令人畏惧,甚至令汉武帝本人也畏惧的地步。起初汲黯官拜谒者,为皇上掌管传达之事。东越的两族人互相攻伐,汉武帝令汲 “Come from behind” This idiom means later than the previous, especially used to describe the rising star outweighs the older generation. Today, this is a commendatory term, but when this idiom was first born, it was an offensive derogatory term. This idiom from “Historical Records Ji Zheng Biography.” Ji dark is the famous Minister of the Emperor Wu of Han Dynasty, this person is characterized by a solemn man, solemn to the daunting, and even to the Han Wudi himself fearful. Initially learn to pay homage to those responsible for the emperor in charge of the matter. The two tribes of East Vietnam attack each other, Han Wudi to drain