knight of the road

• 流动推销员,流浪汉

knight of the road的用法和样例：

例句

1. The tramp was benumbed by the cold.
   那个流浪汉被冻僵了。
2. The bum wore a tattered sweater and ripped pants.
   那个流浪汉的运动衫和裤子破旧褴褛。
3. The beggar may sing before the footpad.
   乞丐可在拦路贼面前唱歌。