一、区别古今先来看下面一段话:昔者郑武公欲伐胡,故先以其女妻胡君,以娱其意。因问于君臣:“吾欲用兵,谁可伐者?”大夫关其思对曰:“胡可伐。”武公怒而戮之,曰:“胡,兄弟之国也,子言伐之,何也?”胡君闻之,以郑为亲己,遂不备郑。郑人袭胡,取之。——《韩非子》 First, the difference between the past and present first look at the following paragraph: The former Zheng Wugong want to cut Hu, so first with his wife Hu Jun to entertain their meaning. Asked by the monarch: “Would you like to use a soldier? Who can be a reaper?” “The doctor Guan Qisi’s confrontation: ” Hu Keqi. “ Wugong angered and pounded, said: ” Hu, the country of the brothers also, sub-words After the harvest, why? “ Hu Junwen, to Zheng as a pro-self, not to prepare Zheng. Zheng Ren Hu, take it. --”Han Fei"