驚天動地 (きょうてんどうち) Japanese meaning | KotomoraMeanings
1
noun, noun which may take the genitive case particle 'no'
astounding; world-shaking; earth-shattering
yojijukugo (four-character idiom)
Describes something so surprising or momentous that it feels as if heaven and earth are shaken. Often used for shocking news, discoveries, or events.
A world-shaking event occurred.