盤根究底 pán gēn jiū dǐ

DEFINITIONS

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

CHARACTERS

盤 pán tray, plate, dish; examine
根 gēn
HSK 3
root, base(d on); foundation
究 jiū
HSK 4
examine, investigate
底 dǐ
HSK 4
bottom, underneath, underside