土崩瓦解 [－－－－]

Jyutping tou2 bang1 ngaa5 gaai2
Pinyin tǔ bēng wǎ jiě

Definitions (CC-CEDICT)
  1. to collapse
  2. to fall apart
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    to completely fall apart; to completely collapse