Correct

当头棒

/ dāng tóu bàng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/当头棒-Chinese-idioms-Cchatty-50a818f0-de02-41f6-afa6-c50705d654a1-1612777046.jpg

Collocation

1
给他当头一棒
2
挨了一记当头棒
3
让他吃了当头棒
4
……(事情)如同当头棒

Definition

当头棒

Literally means:

head-on blow

Actually means:

It refers to blowing one on the head with a club. It figuratively means a heavy blow or a warning that suddenly awakens someone.

打在头上的棍子。比喻沉重的打击。也比喻使人猛然醒悟的警告。

Example

Used as object or subject, and it can have other words in between. (作宾语、主语,中间可以插入别的词语)
1
Zhè
zhèn
地震
tóng
如同
chóngchóng
重重
de
dāngtóu
当头
bàng
  
,
shǐ
使
zhège
这个
chéngshì
城市
de
jiànzhù
建筑
dǎo
倒塌
le
bàn
大半
  
,
xiū
修复
lai
起来
zhìshǎo
至少
yào
sān
三四
nián
de
shíjiān
时间
  

The earthquake, like a heavy stick, caused the city's buildings to collapse by a large part and take at least three or four years to repair.

2
Gāokǎo
高考
de
shībài
失败
zhè
chénzhòng
沉重
de
dāngtóu
当头
bàng
  
,
de
几乎
duì
qián
前途
shī
失去
le
xìnxīn
信心
  

The failure of the college entrance examination, a heavy stick, hit him almost lost confidence in the future.

3
Zhè
这次
duì
shì
事故
de
zhuījiū
追究
shì
gěi
企业
lǐngdǎo
领导
dāngtóubàng
当头一棒
  
,
xǐng
提醒
men
他们
shí
时刻
zhù
注意
ānquán
安全
shēngchǎn
生产
  
,
fángzhǐ
防止
shì
事故
de
shēng
发生
  

This investigation of the accident is to give business leaders a head start, remind them to pay attention to safe production, to prevent accidents.