an idealized or chivalrous man who comes to the rescue of a woman in a difficult situation
救美的英雄
(informal)a man who frequents the roads, for example a travelling sales representative, tramp, or (formerly) a highwayman
(非正式)（為跑業(yè)務(wù)、旅行等）常跑路的人，（舊時(shí)的）路上劫匪