Correct

口臭

/ kǒuchòu / 
Strokes

Definition

bad breath/halitosis

Example

As a Verb

have bad breath

1
Xīyān
吸烟
shǐ
使
rén
人
kǒuchòu
口臭
  
。

Smoking gives you bad breath.

As a Noun

halitosis; ozostomia; bad/foul breath

2
Yǒu
有
kǒuchòu
口臭

have bad breath