kuì bù chéng jūn
(idiom) (of troops) to be utterly routed and dispersed
溃
kuì
(bound form) (of floodwaters) to break through a dam or dike
不
bù
no; not so
成
chéng
short name for Chengdu 成都[Cheng2 du1]
军
jūn
(bound form) army