Correct

通气

/ tōngqì /
Strokes

Definition

ventilation/aeration/to keep each other informed/to release information

Example

As a Verb

ventilate; air (out); aerate; let in air

1
Shǐ
使
fángjiān
房间
tōng
通气

ventilate/air a room

As a Verb

be in touch/communication with each other; keep each other informed

2
Zhè
jiàn
shì
děi
gēn
tōng
  

You should let him know about it. / You should inform him of it.

3
Shàngxià
上下
tōng
通气
  
,
gōngzuò
工作
hěn
nán
kāizhǎn
开展
  

It is hard to get the work done when there is a lack of communications between the leaders and the led.

4
men
他们
shāng
商议
hǎo
jīnhòu
今后
jīngcháng
经常
xiāng
相互
tōng
通气
  

They agreed that they would always be in touch with each other from now on. / They agreed that from now on they would keep each other updated.