萨姆感到沮丧，就一个人走了。

Sam felt blue and left alone.

当他一个人走回家时，他觉得肩上担子很沉重。

He felt like there was a heavy weight on his shoulders as he walked home alone.

晚上这个时候你一个人走回家是疯了。

You're mad to walk home alone at this time of night.

沿着路灯一个人走回家

Walk home alone, down the street lights

一个人走在漫无目的的街

A man walking aimlessly on the street

小雅一个人走到了外面。

Lesser a person walk outside.

一个人走在寒冷的街上。

A person walking down the cold streets.

就这样自己一个人走下去吗？

Thus a man who ruin?

我不能独自一个人走晚全程吧？

I cannot alone a person walk the late entire journey?

一个人走，另一个人跟着走，最后自走。

A person walking, followed by another walk, and finally self.