You know, even some goes pass you on the street and you don't smile ostensibly you don't smile-- there are certain micro-muscles in your face that are moving that actually make you feel better.

即使路人与你擦身而过时，你没笑,表面上你没有笑-,但你面部的细微肌肉,会收缩，让你感觉更好。

哈佛公开课 - 幸福课课程节选

Even the people on the street, if you ask them, they will tell you.

甚至你问问路人，他们也可以告诉你。

唐人街的美食 - SpeakingMax英语口语达人

But we just asked someone the direction,

于是我们就向路人询问方向，

友好的英国人 - SpeakingMax英语口语达人