追根寻底 zhuī gēn xún dǐ

DEFINITIONS

  1. see 追根究底[zhui1 gen1 jiu1 di3]

CHARACTERS

追 zhuī pursue, chase after; expel
根 gēn root, base(d on); foundation
寻 xún seek, search, look for; ancient
底 dǐ bottom, underneath, underside