Correct

刨根问底

/ páogēn wèn de /
Strokes

Definition

to dig up roots and inquire at the base (idiom); to get to the bottom of sth

Example

Definition

get to the bottom/root of a matter

1
zhège
这个
rén
jiù
ài
páogēnwènde
刨根问底

He's never satisfied until he gets to the bottom of things.

2
Duì
mǒushì
某事
páogēnwènde
刨根问底

make detailed enquiries into/about sth