旋乾轉坤 xuán qián zhuǎn kūn

DEFINITIONS

  1. lit. overturning heaven and earth (idiom); earth-shattering
  2. a radical change

CHARACTERS

旋 xuán revolve, move in orbit; return
乾 qián dry; first hexagram; warming principle of the sun, penetrating and fertilizing, heavenly generative principle (male)
轉 zhuǎn shift, move, turn
坤 kūn earth; feminine, female