I need to get to a post office.

我要到邮局去。

Do you know where the nearest one is?

你知道最近的邮局在哪里吗?

Yes, there's one not too far from here.

知道的，有一个离这里不是很远。

Is it walking distance?

走路能到吗?

Well, I suppose so, but it'd be a bit of a long walk.

差不多，但也要走一段距离的。

How long?

要多久呢?

Maybe twenty minutes or so.

差不多20分钟左右。

I'd rather get there a bit faster than that.

我想要快点到那里。

Is there another way?

还有其他方式可以到吗?

Sure, just hop on the bus at that bus stop across the street.

当然了，到街角的公交站去坐公交。

Okay, which bus do I get?

好的，我要坐哪辆公交呢?

I think both number 15 and number 17 go there.

15路和17路都可以到的。

They both come by every five minutes.

这两路车都是五分钟一班。

Sounds easy! Where do I get off?

听起来很简单。我应该在哪里下车?

Just tell the driver that you want to get off at Commercial Street.

告诉司机你要在商业街下车。