you can't teach an ol' dog new tricks Not even if you get down and beg No you can't teach an ol' dog No no way You can't teach an ol' dog new tricks
译文: 毫无疑问. 你不能教一个OL“狗新把戏.
you can't teach an ol' dog new tricks Not even if you get down and beg No you can't teach an ol' dog No no way You can't teach an ol' dog new tricks He