Correct

挖病根

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Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/挖病根-Chinese-idioms-Cchatty-299db219-0fbc-471a-be07-8888e86b5f9c-1612777297.jpg

Collocation

1
挖掉贫困的病根
2
挖掉病根
3
一定要好好挖病根
4
深挖病根

Definition

挖病根:

Literally means:

dig out the root of the disease

Actually means:

find out the root cause of a problem

病根 refers to the root cause of a disease or problem.

This phrase figuratively means finding out the cause of a defect, failure, setback or misfortune so that the trouble can be removed.

病根,生理疾病或事物问题的根源。

挖病根,比喻找出存在的缺陷,或造成失败、挫折、灾祸的根本原因,以便加以消除。

Example

Used as predicate or object, and it can have other words in between. (作谓语、宾语,中间可插入其他词语)
1
men
我们
chǎnpǐn
产品
de
zhìliàng
质量
lǎo
chū
wèn
问题
  
,
zài
再不
hǎohǎo
好好
bìnggēn
病根
  
,
gōngchǎng
工厂
jiù
kāi
xià
下去
le
  

The quality of our products is always out of order, and if we don't dig the root of the disease well, the factory will not be open.

2
Zhěngzhì
整治
fēi
非法
cǎiméi
采煤
dìng
一定
yào
bìnggēn
病根
  
,
néng
tóutòngtóu
头痛医头
  
,
jiǎotòngjiǎo
脚痛医脚
  

To cure illegal coal mining must dig the root of the disease, can not headache medicine head, foot pain doctor foot.

3
Zhè
cháng
sài
比赛
shībài
失败
le
  
,
men
我们
yào
cóng
自己
shēnshàng
身上
zhǎo
wèn
问题
hǎohǎo
好好
bìnggēn
病根
  
,
zhèyàng
这样
cái
néng
fǎnbàiwéishèng
反败为胜
  

This game has failed, we have to find problems from ourselves to dig a good root, so that we can fight back to win.