Correct

捅刀子

/ tǒng dāo zi /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/捅刀子-Chinese-idioms-Cchatty-60ca7959-72c3-4290-90c5-42fe4429fc53-1612777311.jpg

Collocation

1
捅刀子的人
2
不怕捅刀子
3
捅……(某人)刀子
4
被……(某人)捅刀子
5
遭……(某人)捅刀子
6
暗地里捅刀子
7
背后捅刀子

Definition

捅刀子

Literally means:

stab

Actually means:

It metaphorically means framing somebody up.Derogatory.

比喻陷害人具有贬义色彩。

Example

Used as predicate, object or attributive, and it can have other wor in between. (作谓语、宾语、定语,中间可插入其他词语)
1
bu
shì
shénme
什么
hǎo
dōng
东西
  
,
biǎomiàn
表面
shàng
chènxiōngdào
称兄道弟
  
,
ànli
暗地里
què
tǒng
dāozi
刀子
  

He is not a good thing, on the surface and you called brother and brother, but secretly stabbed you.

2
dōu
不怕
  
,
hái
huì
tǒng
dāozi
刀子
  
?
Shuí
gǎn
tǒng
dāozi
刀子
  
,
jiù
ràng
shuí
méiyǒu
没有
hǎo
xiàchǎng
下场
  
!

I'm not afraid to die, I'm afraid of knives? Whoever dares to stab me with a knife, I'll let who doesn't play well!

3
Shuí
xiǎngdào
想到
  
,
tǒng
dāozi
刀子
de
rén
jìngshì
竟是
de
hǎo
péngyou
朋友
  

Who would have thought that the man who stabbed him was his good friend?