downhill

adv.向山下；走下坡路地

adj.下坡的；向下的

The boys hurt themselves sliding downhill. 男孩子们滑下山时伤着了自己。

The car was speeding downhill at top speed. 汽车高速向山下冲去。

Business is going downhill. 生意正走下坡。

This part of the town used to be fashionable, but it's starting to go downhill. 该市这一地区一度很繁华，如今已江河日下。

The cross-country course consists of flat,uphill and downhill sections. 越野滑雪赛道由平道、上坡道和下坡道组成。