Correct

搔头

/ sāo tóu /
Strokes

Example

As a Verb

scratch one's head (in perplexity)

1
Zuìhòu
最后
dào
zhēn
ràng
men
我们
sāo
le
zhèntóu
一阵头
  

The last question really had us scratching our heads.

2
Wéinán
为难
sāotóu
搔头

scratch one's head as if in a dilemma

As a Noun

hairpin; hair clasp

Related

玉搔头