冰消瓦解 [－－－－]

Jyutping bing1 siu1 ngaa5 gaai2
Pinyin bīng xiāo wǎ jiě

Definitions (CC-CEDICT)
  1. to melt like ice and break like tiles
  2. to disintegrate
  3. to dissolve
Definitions (Wiktionary)
  1. phrase, idiomatic
    to melt like ice and break like tiles; to disintegrate; to dissolve