- 追根溯源 zhuīgēnsùyuán to get to the bottom of somethingTo trace something back to its origins through a thorough search; to investigate the root cause of a matter.
- 追根究底 zhuīgēnjiūdǐ to get to the bottom ofTo investigate a matter thoroughly; to get to the heart of the matter.
- 追根问底 zhuīgēnwèndǐ to get to the bottom of somethingto investigate a matter thoroughly; to get to the heart of the matter by raising one question after another
- 追根求源 zhuīgēnqiúyuán to get to the root of thingsto track something back to its origins; to investigate a matter thoroughly by going to the source
- 追根寻底 zhuīgēnxúndǐ to get to the heart of the matterto investigate a matter thoroughly; to get to the root of things
- 追根究底儿 zhuīgēnjiūdǐr to get to the heart of the matterto investigate a matter thoroughly; to get to the bottom of things
- 追根究柢 zhuīgēnjiūdǐ to get to the bottom of thingsTo trace something back to its roots; to investigate a matter thoroughly to its very source.
