白费唇舌 bái fèi chún shé

DEFINITIONS

  1. to whistle down the wind
  2. to waste one's breath (idiom)

CHARACTERS

白 bái white; pure, unblemished; bright
费 fèi expenses, expenditures, fee
唇 chún lips
舌 shé tongue; clapper of bell; KangXi radical 135