Correct

摸透

/ mō tòu / 
Strokes

Example

As a Verb

get to know sb or sth very well

1
Bǎ
把
mǒushì
某事
mōtòu
摸透
le
了

have a good knowledge of sth

2
Mōtòu
摸透
píqi
脾气

get to know sb inside out; get to know sb's temperament well