zhuī​gēn​wèn​dǐ

to get to the bottom of something

Senses

追根问底/ 追根問底 zhuī​gēn​wèn​dǐ to get to the bottom of something

to investigate a matter thoroughly; to get to the heart of the matter by raising one question after another

References

synonym 寻根问底/尋根問底 追根问底/追根問底
synonym 追根寻底/追根尋底 追根问底/追根問底