https://www.rapbull.net/posts/355/%e6%9d%9c%e6%ad%a3%e5%8b%9d%e9%80%99%e4%b8%89%e5%80%8b%e5%ad%97%e5%b0%b1%e6%98%af%e4%b8%80%e6%88%90%e8%aa%9e/
杜正勝這三個字就是一成語