朝令夕改 zhāo lìng xī gǎi

DEFINITIONS

  1. to make frequent or unpredictable changes in policy (idiom)

CHARACTERS

朝 zhāo dynasty; morning
令 lìng command, order; 'commandant', magistrate; allow, cause
夕 xī evening, night, dusk; slanted
改 gǎi change, alter; improve, remodel