Correct

张嘴

/ zhāngzuǐ /
Strokes

Definition

to open one's mouth (to speak, esp. to make a request)/to gape

Example

As a Verb

open one's mouth

1
de
bàntiān
半天
méi
zhāngzuǐ
张嘴
  

For a long while he was too angry to speak.

2
zhāng
zuǐ
  
,
jiù
zhīdào
知道
yào
shuō
shénme
什么
  

I knew what he was going to say as soon as he opened his mouth.

As a Verb

ask for a loan/favour

3
Xiàng
rén
jiè
qián
  
,
shízài
实在
zhāng
kāi
zuǐ
  

I feel too embarrassed to borrow money from someone.