downhill

名词 downhill:

1. the downward slope of a hill
2. a ski race down a trail

形容词 downhill:

1. sloping down rather steeply
   同义词：declivitous, downward-sloping

副词 downhill:

1. toward a lower or inferior state
2. toward the bottom of a hill

1. Luckily, the car was facing downhill when it broke down, and we were able so shove it home.
   幸运的是，车抛锚的时候是面向下山方向的，我们能将它推回家。
2. Business is going downhill.
   生意正走下坡。

down.hill

adv.（副词）
Down the slope of a hill.
向山下
Toward a lower or worse condition:
如下坡一般：走向下坡或更坏的条件：
例句：
The alcoholic`s health went downhill fast.
嗜酒者的健康状况迅速下降

adj.（形容词）

Sloping downward; descending.
向下的；下降的
Sports Of, relating to, or constituting skiing down a slope:
【体育运动】 滑降的：下降滑雪的：
例句：
a downhill racer.
快速下降的滑雪运动员

n.（名词）
A downhill skiing race.
滑降比赛
A downward gradient; a descending slope.
下坡；斜坡