翻天覆地 [- - fù dì]turn the world upside down; a tremendous change; earthshaking; epoch-making; overturn the sky and the earth; shake the very ground [world]; turn the whole world upside down; turn the world bottomside up; titanic changes：
•¶翻天覆地的时代 an earthshaking era
•¶翻天覆地的大事 earthshaking event
•¶ 像这样翻天覆地的变化一定会产生深远的影响。 Such an earthshaking change must have far-reaching effects.