鐵面無私 tiě miàn wú sī

DEFINITIONS

  1. strictly impartial and incorruptible (idiom)

CHARACTERS

鐵 tiě iron; strong, solid, firm
面 miàn
HSK 1
face; surface; plane; side, dimension
無 wú negative, no, not; lack, have no
私 sī
HSK 5
private, personal; secret