Correct

深究

/ shēnjiū /
Strokes

Definition

to perform an in-depth investigation

Example

As a Verb

delve into; get to the bottom of (a matter); go into (a matter) seriously

1
duì
měi
jiàn
shì
dōu
yào
shēnjiū
深究
  

He wants to get to the bottom of everything.

2
yào
不要
zài
zhījié
细枝末节
shàng
shēnjiū
深究
  

Don't go into these trifles seriously.