Correct

投笔从戎

/ tóu bǐ cóng róng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/投笔从戎-Chinese-idioms-Cchatty-83ec4227-8603-4871-aabb-87e717ee714b-1612777226.jpg

Collocation

1
投笔从戎的人
2
立志投笔从戎
3
渴望投笔从戎
4
大学生投笔从戎

Definition

投笔丛戒

Literally means:

cast aside the pen and join the army

Actually means:

give up intellectual pursuits for a military career

戎 refers to the army. 从戎 means joining the army. The phrase means an intellectual joins the army.

戎,军队。从戎,参军或当兵。投笔丛戒,指知识分子加人军队。

Example

Used as predicate, object or attributive. (作谓语、宾语、定语)
1
shí
那时
guó
祖国
shòudào
受到
qīnlüè
侵略
  
,
yǒu
hěnduō
很多
xuésheng
学生
tóucóngróng
投笔从戎
  
,
bēn
奔赴
zhànchǎng
战场
shā
杀敌
  

At that time, the motherland was invaded, there are many students from the pen, rushed to the battlefield to kill the enemy.

2
Xiànzài
现在
yǒu
duō
许多
xué
大学
shēng
毕业生
dōu
wàng
渴望
tóucóngróng
投笔从戎
  
,
qīn
亲自
cānjiā
参加
jūnduì
军队
de
xiàndàihuà
现代化
jiànshè
建设
  

Now there are many college graduates are eager to put pen to paper and personally participate in the modernization of the army.

3
Zhè
tóucóngróng
投笔从戎
de
gōngchéngshī
工程师
zài
zhè
cháng
xìnzhàn
信息战
zhōng
huī
发挥
le
hěn
de
zuòyòng
作用
  

The engineers who written the pens played a big role in the information war.

Related

投笔从戎