qióng​gēn​jiū​dǐ

to get to the bottom of things

Senses

穷根究底/ 窮根究底 qióng​gēn​jiū​dǐ (also qióng​gēn​jiù​dǐ) to get to the bottom of things

to investigate thoroughly; to get to the roots of a problem or the source of a matter

References

synonym 穷根究底/窮根究底 刨根问底/刨根問底
synonym 穷根究底/窮根究底 寻根究底/尋根究底
synonym 穷根究底/窮根究底 寻根问底/尋根問底