Correct

嘴硬

/ zuǐyìng /
Strokes

Definition

reluctant to admit a mistake

Example

As an Adjective

stubborn and reluctant to admit mistakes or defeats

1
xiàng
一向
zuǐyìng
嘴硬
  
,
cóng
从不
rèncuò
认错
  

He never says uncle.

2
Zuòcuò
做错
liǎoshì
了事
huán
zuǐyìng
嘴硬
shénme
什么
  
?

Why don't you admit your mistakes?

3
Míngmíng
明明
cuò
le
  
,
jiù
yào
不要
zài
zuǐyìng
嘴硬
  

It's obvious that you are wrong, so don't stubbornly insist that you are not.