Correct

深通

/ shēn tōng /
Strokes

Example

As a Verb

have a thorough understanding of; be thoroughly versed in

1
shēntōng
深通
rénqíngshì
人情世故
  

She was well versed in the ways of the world.

2
shēntōng
深通
sānmén
三门
wài
外语
  

He has a good command of three foreign languages.

3
Shēntōng
深通
wénxué
文学
lùn
理论

be well-versed in literary theories