Correct

摸不透

/ mō bù tòu /
Strokes

Example

As a Verb

not understand; cannot fathom

1
zhí
一直
tòu
de
qi
脾气
  

I never got to know how he would react to anything.

2
tòu
shì
shénme
什么
si
意思
  

I couldn't fathom his meaning/intention.

3
zhège
这个
rén
zhēn
jiào
rén
tòu
  

He is really hard to make out.