Correct

蛛丝马迹

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Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/蛛丝马迹-Chinese-idioms-Cchatty-15e73e91-f721-4fcd-b59a-3af516aff59f-1612778088.jpg

Collocation

1
各种蛛丝马迹
2
搜集蛛丝马迹
3
发现蛛丝马迹
4
留下蛛丝马迹

Definition

蛛丝马迹:

Literally means:

threads of spider's web and traces of an insect similar to a cricket

Actually means:

蛛丝 refers to the threads of spiders. 马迹 refers to traces of an insect similar to a cricket.

It figuratively refers to some vague traces or indication left by something, which can be used to find out the truth.

蛛丝,蜘蛛细丝。马迹,灶马(一种类似蟋蟀的昆虫)的痕迹。 比喻某件事情留下的并可以被用来查明事实真相的一些不很明显的线索或迹象。

Example

Used as subject or object. (作主语、宾语)
1
Gōngān
公安
rényuán
人员
cóng
xiànchǎng
现场
xiàn
发现
bìng
sōu
搜集
dào
duō
许多
zhū
蛛丝马迹
  
,
hěnkuài
很快
jiù
zhuīchá
追查
dào
liǎo
fànzuì
犯罪
xiánrén
嫌疑人
  

Public security officers found and collected many clues from the scene, and soon traced the suspect.

2
Huàishì
坏事
zuò
de
zài
yán
严密
huì
liúxià
留下
zhū
蛛丝马迹
  
,
tān
贪污
shòuhuì
受贿
de
rén
zǒng
yǒu
tiān
huì
bèi
chá
chūlái
出来
de
  

Bad things do more closely will leave a trail, corruption and bribery will one day be found out.

3
men
他们
dōu
shì
guānchá
观察
néng
能力
hěn
jiàng
de
rén
  
,
zài
wēi
细微
de
zhū
蛛丝马迹
táo
guò
不过
men
他们
de
yǎnjing
眼睛
  

They are all very observant people, and no trace can escape their eyes.