Correct

改口风

/ gǎi kǒu fēng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/改口风-Chinese-idioms-Cchatty-52117e11-4d3b-46b2-a015-99dc208aed6f-1612777386.jpg

Collocation

1
改口风说
2
一改强硬的口风
3
突然改了口风
4
连忙改口风

Definition

改口风

Literally means:

withdraw or modify one's remarks

Actually means:

correct oneself

It means changing the content or the tone of one's revic previous remarks.

改变自己先前说话的内容或语气。

Example

Used as predicate or adverbial adjunct, and it can have other words in between. (作谓语、状语,中间可以插入别的词语)
1
xiàn
发现
自己
shuō
cuò
le
  
,
shì
于是
liánmáng
连忙
gǎikǒu
改口
fēng
  

He found himself wrong, so he hurriedly changed his style.

2
Zuótiān
昨天
hái
jiānchí
坚持
自己
méiyǒu
没有
cuò
错误
  
,
jīntiān
今天
rán
突然
gǎi
le
kǒufēng
口风
  
,
chéngrèn
承认
自己
néng
可能
yǒudiǎn
有点
shūhu
疏忽
  

Yesterday he insisted he had made no mistakes, but today he suddenly changed his tinge, admitting that he was "probably a little negligent".

3
Zài
qiáng
强大
de
压力
xià
  
,
duìfāng
对方
gǎi
qiángyìng
强硬
de
kǒufēng
口风
  
,
biǎoshì
表示
可以
kǎo
考虑
xiūgǎi
修改
tong
合同
  

Under intense pressure, the other side changed its stance and said it could consider changing the contract.