by同義詞組，walk

同義詞組是passer by，表示路過、陌生人，例如：

1、He enquired the time from a passer by.他向一個路人問時間。

2、Janie said she didn't want to spend the'day alone'because it would be'depressing'and thought a passer by would'take pity on her'.珍妮表示，她不想在這一天裏形單形只並且鬱悶不堪，並認爲每一個路人都會認爲她可憐之極。