天翻地覆tiān fān dì fù
(1) [state of extreme confusion as the sky and the earth turning upside down;earth-shaking]∶形容彻底的变革
虎踞龙盘今胜昔,天翻地覆慨而慷。——毛泽东《人民解放军占领南京》
(2) [in total disorder;extreme upheaval;in sheer pandemonium]∶形容秩序极为混乱
宝玉一发拿刀弄杖寻死觅活的,闹的天翻地覆。——《红楼梦》