Correct

摸头

/ mō tóu /
Strokes

Example

As a Verb

[often used in negative construction] begin to understand; get to know sth

1
duì
wǎngqiúsài
网球赛
fēn
记分
fāng
方法
tóu
摸头
  

I am at a loss as to how the score is kept in a game of tennis.

Related

不摸头