Correct

打冷枪

/ dǎ lěng qiāng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/打冷枪-Chinese-idioms-Cchatty-7932675b-7888-46b2-9566-aac004c29945-1612777127.jpg

Collocation

1
打冷枪的行为/做法
2
打冷枪的人
3
喜欢打冷枪
4
专爱打冷枪
5
在背后/身后打冷枪
6
对/朝……打冷枪
7
向……打冷枪

Definition

打冷枪

Literally means:

shoot from a concealed place

Actually means:

stab in the back

It originally means hiding in a concealed place and shooting somebody suddenly when they are not vigilant.

Metaphorically, it means plotting against somebody or attacking somebody when he is not vigilant. Often derogatory.

原指开冷枪。

比喻暗算某人,或在别人毫无防备时,突然攻击某人。多具有贬义色彩。

Example

Used as predicate, object or attributive. (作谓语、宾语、定语)
1
men
他们
xiě
míngxìn
匿名信
zài
bèihòu
背后
duì
lěngqiāng
冷枪
  
,
shì
wèile
为了
bào
暴露
shēnfèn
身份
  
,
shì
可是
yào
chámíng
查明
men
他们
shì
shénme
什么
rén
nán
不难
  

They write anonymous letters to you in the back to keep them from being identified, but it's not hard to find out who they are.

2
zuì
hèn
zhèzhǒng
这种
rén
  
,
dāngmiàn
当面
fēicháng
非常
qíng
热情
  
,
bèihòu
背后
què
lěng
qiāng
  

I hate people like him the most, very warm in person, but behind the cold gun.

3
Shìqing
事情
guò
过去
liǎng
nián
cái
zhīdào
知道
  
,
dāngnián
当年
duì
lěng
qiāng
de
rénrán
人然
shì
zuì
hǎo
de
péngyou
朋友
  

It's been two years since I learned that the person who shot me cold was my best friend.