侯景之乱

hóu jǐng zhī luàn

rebellion against Liang of the Southern Dynasties 南朝梁 in 548

hóu

marquis, second of the five orders of ancient Chinese nobility 五等爵位[wu3 deng3 jue2 wei4]

jǐng

(bound form) scenery

zhī

(possessive particle, literary equivalent of 的[de5])

luàn

in confusion or disorder