Correct

鬼头鬼脑

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Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/鬼头鬼脑-Chinese-idioms-Cchatty-79122db8-945a-45da-80d0-515daaff38aa-1612778453.jpg

Collocation

1
鬼头鬼脑的人
2
鬼头鬼脑地……(做某事)
3
你何必鬼头鬼脑的呢
4
这人鬼头鬼脑的

Definition

鬼头鬼脑:

Literally means:

ghost head

Actually means:

It figuratively means being stealthy or furtive. It implies that one is suspected to do something wicked. It is derogatory.

鬼头鬼脑,形容行为隐秘,不光明正大。含有让人怀疑不干好事的意味。具有贬义色彩。

Example

Used as predicate, adverbial adjunct or attributive. (作谓语、状语、定语)
1
guǒ
如果
gàn
de
shì
guāngmíngzhēng
光明正大
de
shì
  
,
何必
zhèyàng
这样
guǐtóuguǐnǎo
鬼头鬼脑
de
ne
  
?

If he's doing something fair and just, why would he do such a ghostly thing?

2
Zhè
rén
guǐtóuguǐnǎo
鬼头鬼脑
zài
jìn
附近
zhuǎi
le
hǎo
好几
quān
  
,
ránhòu
然后
tíng
zài
chuáng
lóu
大楼
hòumiàn
后面
  
,
dīng
zhāo
jiā
zhù
住户
de
chuāngzi
窗子
kàn
le
bàntiān
半天
  
,
néng
可能
shì
xiǎotōu
小偷
lái
cǎidiǎn
踩点
  

The man ghostly circled around the neighborhood, then stopped behind a building and stared at the windows of several occupants for half a day, possibly by a thief.

3
Xiǎo
小区
de
bǎoān
保安
rényuán
人员
tài
大意
  
,
rán
居然
méiyǒu
没有
xiàn
发现
zuìjìn
最近
shì
yǒu
guǐtóuguǐnǎo
鬼头鬼脑
de
rén
jìnjìnchūchū
进进出出
  

The security personnel in the community were so upset that they didn't find that there were ghostly people coming in and out recently.

Related

鬼头鬼脑