tiān​fān​dì​fù

turmoil

天翻地覆 tiān​fān​dì​fù
turmoil idiom
a state of complete confusion, disorder, or chaos

A few naughty children turned the house upside down.

upheaval idiom
monumental or earth-shaking change; the world being turned upside down

Over the past forty years of reform and opening up, China has undergone earth-shaking changes.

Frequency

Movie subtitles
1.64 per million appears in 1% of films
Written text
1.01 per million

Sources

Definitions
CC-CEDICT