刨根問底 páo gēn wèn dǐ

DEFINITIONS

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

CHARACTERS

刨 páo carpenter's plane; plane, level
根 gēn
HSK 3
root, base(d on); foundation
問 wèn ask (about), inquire after
底 dǐ
HSK 4
bottom, underneath, underside