倾国倾城

qīng guó qīng chéng

lit. capable of causing the downfall of a city or state (idiom)

fig. (of a woman) devastatingly beautiful; also written 傾城傾國|倾城倾国[qing1 cheng2 qing1 guo2]

倾

qīng

to overturn

国

guó

country; nation; state

倾

qīng

to overturn

城

chéng

city walls