如今的“三更半夜”一词,是夜已经很深了或者时间已经很晚了的意思。但在宋代,“三更半夜”一词却是源于两个人,一个是“陈三更”陈象舆,一个是“董半夜”董俨。他俩都是宋太宗时的大名人。《宋史·赵昌言传》:“四人者(陈象舆、胡旦、董俨、梁灝)日夕会昌言第。京师为之语曰:‘陈三更,董半夜’。”这里是说,宋太宗时期,陈象舆、胡旦、董俨、梁灝、赵昌言等人志 Today’s word “midnight, midnight” means that the night is already dark or the time is late. But in the Song Dynasty, the term “three midnight” came from two people, one is “Chen San-heng” and the other is “Chen Dong-yue”. Both of them are great celebrities of Song Taizong. “Song Shi Zhao Chang Yan Chuan”: "Four people (Chen Xiang Yu, Hu Dan, Dong Yan, Liang Hao) Here is that during the Taizong period, Chen Xiang Yu, Hu Dan, Dong Yan, Liang Hao, Zhao Changyan and other people