Correct

头皮发麻

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Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/头皮发麻-Chinese-idioms-Cchatty-bb158c16-efac-44d7-8b7c-220625e7b464-1612776877.jpg

Collocation

1
吓得我头皮发麻
2
看得我头皮发麻
3
简直让人头皮发麻
4
觉得头皮发麻
5
令人头皮发麻
6
(真)让人头皮发麻

Definition

头皮发麻

Literally means:

have pins and needles in one's scalp

Actually means:

be scared or nervous

It means being scared or nervous.

Having pins and needles in one's scalp may also be the symptom of a certain disease, and one does not necessarily feel so when he is nervous or frightened.

表示恐惧或紧张。头皮发麻也可能是某种疾病的反应。

Example

Used as object, predicate or complement. (作宾语、谓语、补语)
1
Zhèzhǒng
这种
kǒngpiānzi
恐怖片子
yào
不要
kàn
  
,
kàn
jiù
tóu
头皮
发麻
  
,
shuōbudìng
说不定
li
夜里
hái
huì
zuò
èmèng
恶梦
  

Don't go to this horror movie, look at the scalp numb, maybe at night will have nightmares.

2
Yǒude
有的
xuéxiào
学校
zài
jiàoshì
教室
ānzhuāng
安装
le
jiānkòng
监控
tǒng
系统
  
,
shèxiàngtóu
摄像头
xuésheng
学生
dīng
de
tóu
头皮
发麻
  
,
ràng
men
他们
háo
毫无
ānquángǎn
安全感
  

Some schools have installed surveillance systems in classrooms, and cameras target students with numb scalps, making them insecure.

3
Shìjuàn
试卷
shàng
de
dàodào
道道
nán
难题
ràng
gǎndào
感到
tóu
头皮
发麻
  
,
zhī
不知
如何
shì
hǎo
  

A difficult problem on the test paper made him feel numb on his scalp, and I didn't know what to do.