A passer-by described what he saw moments after the car bomb had exploded.

一位过路人描述了汽车炸弹爆炸后他看到的情形

I asked my way of a passer-by.

我向一位过路人问了路。

In fact, I, we are just the passer-by.

其实，我，我们，都只是那位路人甲。

And tear from a passer-by with muddy skirts.

从一个裙子沾满污泥的行人那里。

Passer-by: No. but there are quite many cars.

过路人：没有，但那里有很多的车。

Take one strange familiar changes a passer-by b.

轮流更替一个个陌生熟悉的路人甲乙。