Correct

持久战

/ chí jiǔ zhàn /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/持久战-Chinese-idioms-Cchatty-2993d887-93a4-45ca-912d-33f59f93a8c0-1612777285.jpg

Collocation

1
……和……的持久战
2
打赢/赢得持久战
3
经历(一场)持久战
4
做好持久战的准备
5
打持久战
6
一场持久战

Definition

尺有所短,寸有所长

Literally means:

a protracted war

Actually means:

The phrase originally means war that lasts long time.

Now it refers to any work, task or project that requires long-range and sustained efforts.

持续时间很长的战争。

比喻复杂艰巨,需要很长时间或很多努力才能完成的工作、任务或工程。

Example

Used as subject, object or attributive. (作主语、宾语、定语)
1
zhèjiā
这家
gōng
公司
de
jìngzhēng
竞争
shì
cháng
chíjiǔzhàn
持久战
  
,
ér
zhè
cháng
yǒu
shénme
什么
jiēguǒ
结果
qián
目前
hěn
nán
liào
预料
  

Competition with the big company is a long-lasting battle, and the outcome is hard to predict.

2
hěn
cōngming
聪明
  
,
huì
shū
读书
  
,
dàn
wánchéng
完成
shì
博士
chéng
课程
lùnwén
论文
shì
cháng
jiān
艰苦
de
chíjiǔzhàn
持久战
  
,
yào
需要
dìng
一定
de
毅力
  

He is clever and can read, but completing doctoral courses and thesis is a long battle that requires a certain amount of perseverance.

3
Zhì
治理
huái
淮河
rǎn
污染
shì
cháng
jiān
艰苦
de
gōngchéng
工程
  
,
néng
可能
xùn
迅速
jiějué
解决
  
,
必须
zuòhǎo
做好
chíjiǔzhàn
持久战
de
zhǔnbèi
准备
  

The treatment of the pollution of Huaihe River is a difficult project, it is impossible to solve it quickly, and we must be ready to fight a long-lasting war.