Correct

换空气

/ huàn kōng qì /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/换空气-Chinese-idioms-Cchatty-85598448-4f47-4178-b23a-5b9bf209cca9-1612777326.jpg

Collocation

1
换一下空气
2
换换空气
3
打算换空气
4
需要换空气
5
必须换空气
6
能不能换空气
7
想换空气
8
打开门窗换空气
9
到外面换空气

Definition

换空气

Literally means:

change the air

Actually means:

changge the environment or the atmosphere

It means dissipating the stale air by letting in fresh air.

It figuratively means changing the environment or the atmosphere or for a person to leave for a new working or living environment temporarily or permanently. Often informal.

指排除污浊空气,让新鲜的空气进来。

比喻改变环境气氛。也比喻人短暂或长久地离开原有的地方,到新的环境工作或生活。多用于随便、非正式的场合。

Example

Used as predicate. It can have other words in between. (作谓语,中间可插入别的词语)
1
Hěn
míngxiǎn
明显
  
,
shì
wèile
为了
huàn
kōng
空气
cái
xiàcéng
下基层
gǎo
diàoyán
调研
de
  
,
dào
liǎo
li
那里
shuí
guǎn
zhāo
  
,
zhìshǎo
至少
可以
xiāoyáo
逍遥
liǎngsān
两三
xīng
星期
  

Obviously, he is in order to change the air to do research at the grass-roots level, where no one can control him, at least for two or three weeks.

2
men
你们
zhè
这里
lǎoshi
老是
cūnzhǎng
村长
rén
shuōlesuàn
说了算
  
,
quē
缺乏
mínzhǔ
民主
fēn
气氛
  
,
kàn
shì
gāi
huànhuàn
换换
kōng
空气
le
  

You are always the village chief here alone, the lack of democratic atmosphere, I think it is time to change the air.

3
guǒ
如果
juéde
觉得
zài
zhèjiā
这家
gōng
公司
gōngzuò
工作
shūfu
舒服
  
,
fáng
不妨
huàn
huàn
kōng
空气
  
,
dào
men
我们
gōng
公司
lái
shìshì
试试
  

If you don't feel comfortable working in this company, you may as well change the air and try it in our company.