“我的朋友胡适之”是流行于民国朋友圈的一个热词,只是这个热词有点长。那时还没有网络,更谈不上什么QQ、飞信、微信等秒杀交际手段。写这样一个二十世纪一度流行的热词,真是出力不讨好的事情。毕竟这只是人们挂在嘴边的口头禅,有些羚羊挂角的茫然:既不如付梓报刊、书信、日记中的人与事手到擒来,更不如现代网络热词那样在所难逃——举手投足之间就踏网留印、跟帖有痕。口头相传的流行热词,有点像民间传说中 “My friend Hu Shi ” is a popular term in the Republic of China circle of friends, but this term is a bit long. At that time there is no network, let alone what QQ, Fetion, WeChat and other spike communication tools. Writing such a popular word of the twentieth century is really not a thankless thing to do. After all, this is just a mantra that people are hanging around. Some of the antelopes hang around at a loss: they are not as good as the hands and feet of people and things in the daily newspapers, correspondence, diaries, Tap net print, there are traces of the thread. Word of mouth popular popular words, a bit like folklore