You earthshaking changes have taken place.

你发生了翻天覆地的变化。

youdao

Eg: The old man witnessed earthshaking changes of this city.

例：老人见证了这座城市翻天覆地的变化。

youdao

Eg: The old man witnessed earthshaking changes of this city.

例：老人见证了这座城市翻天覆地的变化。

youdao