勃然变色 bó rán biàn sè

DEFINITIONS

  1. to suddenly change color showing displeasure, bewilderment etc

CHARACTERS

勃 bó suddenly, sudden, quick
然 rán yes, certainly; pledge, promise
变 biàn change, transform, alter; rebel
色 sè color, tint, hue, shade; form, body; beauty, desire for beauty