HSK V7-9
Correct

下山

/ xiàshān / 
Strokes

Definition

(of the sun) to set

Example

As a Verb
come/go down the mountain; descend the mountain
1
Shìgù
事故
fāshēng
发生
zài
在
wǒmen
我们
xiàshān
下山
shí
时
  
。

The accident happened when we were coming down off the mountain.

2
Huáxuě
滑雪
xiàshān
下山

ski down a hill

As a Verb
(of the sun) set; descend behind the mountains
3
Tàiyang
太阳
yǐ
已
xiàshān
下山
le
了
  
。

The sun has set. / The sun has descended behind the mountains.