They walked a quarter of a mile down the mountainside.

他们沿山坡下行了四分之一英里路。

It is a long walk to the town.

里要走很长路。

Father Peter came to a halt midway down the street.

彼得神父沿街走了一半路停了下来。

I calculated that the trip would take two days.

我估计这段路要走两天时间。

There are eight miles to go.

还有八英里(路)。

Ile aux Cerfs is located 15 minutes from the eastern coastline and the village of Trou d'eau douce.

鹿岛（L'île aux Cerfs）距东部海岸特楼陡杜斯镇（Trou d'eau douce）15分钟路。

It's only an hour away.

那只有一小时路。

So the bumpiness, the rising high altitude, and the long duration of these two things made this short distance of the road the toughest.

崎岖不平路，逐步升高海拔，和很长持续时间使这段路成为了最艰难一段。