Correct

老脑筋

/ lǎo nǎo jīn /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/老脑筋-Chinese-idioms-Cchatty-3f947b4f-6e26-4e63-95d4-ac7fd4e849a9-1612777989.jpg

Collocation

1
受老脑筋的束缚/限制
2
应该改改老脑筋
3
是个老脑筋
4
他这个老脑筋不配当经理

Definition

老脑筋

Literally means:

outdated way of thinking

Actually means:

It means stubbornly resisting change or clinging to a seemingly hopeless or outdated cause, or someone with such principle. Derogatory.

守旧的思想或思想守旧的人。具有贬义色彩。

Example

Used as subject, object or attributive. (作主语、宾语、定语)
1
Zhège
这个
lǎo
nǎojīn
脑筋
  
,
xiànzài
现在
dōu
shénme
什么
niándài
年代
le
  
,
háiyào
还要
gānshè
干涉
háizi
孩子
de
hūnyīn
婚姻
  

This old mind, now what age, but also to interfere with the child's marriage.

2
yào
gǎigǎi
改改
de
lǎo
nǎojīn
脑筋
  
,
xuéxué
学学
xīn
bàn
办法
  
,
fǒu
否则
jiù
guǎn
hǎo
不好
de
gōngchǎng
工厂
  

You have to change your old mind and learn new ways, or you won't manage your factory well.

3
Zhōu
周末
zàijiā
在家
shìqing
事情
běnlái
本来
jiù
duō
  
,
háiyǒu
还有
lǎo
nǎojīn
脑筋
de
po
婆婆
zài
pángbiān
旁边
láodao
唠叨
  
,
xīnli
心里
shízài
实在
hěn
mèn
郁闷
  

Weekend at home things are already many, there is an old-brained mother-in-law nagging next to, the heart is really depressed.