Correct

没分寸

/ méi fēn cùn /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/没分寸-Chinese-idioms-Cchatty-a90bb776-a519-4ee2-aadc-3ec1eae8e38f-1612777593.jpg

Collocation

1
说没分寸的话,做没分寸的事
2
不能没分寸
3
真没分寸
4
太没分寸了

Definition

没分寸

Literally means:

have no sense of propriety

Actually means:

go too far

分寸 refers to the proportion or criterion one is supposed to know to speak and behave properly. This phrase means having so sense of propriety or going too far in speech and action. Derogatory.

分寸,说话做事应该掌握的尺度或标准。说话做事过分或过火。具有贬义色彩。

Example

Used as predicate, object or attributive. (作谓语、宾语、定语)
1
háishi
还是
xiǎohái
小孩
  
,
shuōhuà
说话
méi
fēncun
分寸
  
,
biè
guài
  

He's still a kid, he doesn't speak up, don't blame him.

2
láosāo
发牢骚
shì
nánmiǎn
难免
de
  
,
dànshì
但是
néng
tài
méi
fēncun
分寸
  

It's inevitable to whine, but it can't be too unsymiguous.

3
zěnme
怎么
zhème
这么
dǒng
guīju
规矩
  
,
jìng
shuō
chū
zhèzhǒng
这种
méi
fēncun
分寸
de
huà
lái
  
,
zhēn
nánwéiqíng
难为情
  

Why do you so do not understand the rules, actually say such inseinant words, I really embarrassed you.