反复无常
fǎn​fù​wú​cháng

fickle

fǎn​fù​wú​cháng fickle
  1. 反复 反復 fǎn​fù adjective
    to change one's mind
    to change one's mind frequently; to be inconsistent or undependable; unstable (of weather, opinions, etc.)
  2. 无常 無常 wú​cháng adjective
    changeable
    variable; fickle; inconstant; not having a regular pattern

fǎn​fù​wú​cháng fickle
  1. 反覆 fǎn​fù
    undependable
    changeable or not dependable; prone to changing one's mind or going back on one's word.
  2. 无常 無常 wú​cháng adjective
    changeable
    variable; fickle; inconstant; not having a regular pattern