Correct

洗脑子

/ xǐ nǎo zi /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/洗脑子-Chinese-idioms-Cchatty-a947dc74-5639-407a-8302-7c5e1cbdc3ac-1612777628.jpg

Collocation

1
洗一洗脑子
2
好好洗洗脑子
3
应该洗脑子
4
洗了一番脑子
5
被某人洗了脑子
6
给某人洗脑子

Definition

洗脑子

Literally means:

brainwash

Actually means:

It means updating one's concepts and ideas.

It also means giving someone a lesson.

It is often used to indicate replacing one's obsolete ideas with updated ones that meet today's needs.

更新思想观念。

也指对某人进行批评教育。

多用来指去除不合时宜的思想观念,换上符合当前需要的。

Example

Used as predicate. It can be used with other words. (作谓语,中间可以插入别的词语)
1
guàn
习惯于
yòng
chuántǒng
传统
fāng
方法
guǎn
管理
de
rén
  
,
洗洗
nǎozi
脑子
  
,
shì
nán
难以
guǎn
管理
xiàndài
现代
企业
de
  

People who are used to traditional methods of management, such as not washing their brains, are difficult to manage modern enterprises.

2
zhè
rén
mǎn
nǎozi
脑子
de
jiù
xiǎng
思想
  
,
kànlai
看来
yīnggāi
应该
nǎozi
脑子
  

You're full of old ideas, it seems like you should wash your brain.

3
jīntiān
今天
chuǎng
hóngdēng
红灯
le
  
,
suīrán
虽然
méiyǒu
没有
bèi
kuǎn
罚款
  
,
què
bèi
mínjǐng
民警
le
bàn
xiǎoshí
小时
de
nǎozi
脑子
  

He ran a red light today, and although he was not fined, he was washed by the police for half an hour.