Correct

堵漏洞

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Strokes
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Collocation

1
堵漏洞的问题
2
严堵漏洞
3
应该及时堵漏洞
4
从源头上堵住漏洞

Definition

堵漏洞

Literally means:

stop a leak

Actually means:

It means pre-empting a possible threat, or addressing an existing careless omission.

预先消除被人钻空子的可能性,或填补已经发生的疏漏。

Example

Used as predicate or object. It can be used with other words in between, and can also be used in an inverted order. (作谓语、宾语,中间可以插入别的词语,可以倒装使用)
1
Zhèxiē
这些
yán
严密
de
guīzhāngzhì
规章制度
cóng
yuántóu
源头
shàng
zhù
堵住
le
zhǒng
各种
lòudòng
漏洞
  
,
shuí
dōu
méiyǒu
没有
bàn
办法
zuānkòngzi
钻空子
  

These strict rules and regulations from the source to plug all kinds of loopholes, no one can drill holes.

2
Shì
事故
shēng
发生
hòu
yīnggāi
应该
shí
及时
lòudòng
漏洞
  
,
fángzhǐ
防止
zài
再次
shēng
发生
lèi
类似
de
shìqing
事情
  

The loophole should be closeed in time after the accident to prevent similar things from happening again.

3
Guójiā
国家
zhèngzài
正在
zhìdìng
制定
èrshǒufáng
二手房
jiāo
交易
de
tǒng
统一
shuìshōu
税收
zhì
制度
  
,
biàn
以便
zhù
堵住
jiāoshuì
交税
huò
shǎo
jiāoshuì
交税
de
lòudòng
漏洞
  

The state is developing a unified tax system for second-hand housing transactions in order to close loopholes that do not pay taxes or pay less.