Correct

露马脚

/ lòu mǎ jiǎo /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/露马脚-Chinese-idioms-Cchatty-cff70560-e5a9-4a01-9050-843a71422a43-1612778399.jpg

Collocation

1
要露马脚
2
会怕露马脚
3
露了马脚
4
露出马脚

Definition

露马脚

Literally means:

show the horse foot

Actually means:

It figuratively means revealing something that one does not want others to know. Derogatory.

比喻暴露出不想让人家知道的真相。具有贬义色彩。

Example

Often used as predicate or object, and can have other words in between. (常作谓语、宾语,中间可以插入别的词语)
1
Zhège
这个
màopái
冒牌
xuéshēng
大学生
jìngrán
竟然
xiǎng
xíngpiàn
行骗
  
,
dàn
hěnkuài
很快
jiù
le
jiǎo
马脚
  
,
yīnwèi
因为
duì
dāng
当地
de
qíngkuàng
情况
suǒzhī
一无所知
  

The fake college student tried to cheat, but soon showed his feet because he knew nothing about the local situation.

2
Zhè
jiāhuo
家伙
yòng
yīng
英语
jiāotán
交谈
jiù
shàng
马上
lòujiǎo
露马脚
  
,
de
duìhuà
对话
zhōng
méiyǒu
没有
gōu
wánzhěng
完整
de
yīng
英语
  

As soon as this guy talks in English, he's got his feet on his feet, and there's not a complete English word in his conversation.

3
Liǎng
míng
nán
男子
tōu
le
péngyou
朋友
de
dōng
东西
hòu
后怕
lòujiǎo
露马脚
  
,
jiù
péngyou
朋友
一起
bàoàn
报案
  
,
dàn
zài
jǐngchá
警察
de
fǎn
反复
xúnwèn
询问
xià
  
,
zuìzhōng
最终
háishi
还是
le
jiǎo
马脚
  

Two men stole a friend's things, afraid of the horse's feet, and friends went to report the case, but after repeated questioning by the police, the horse's foot was finally exposed.

Related

露马脚