冰消雾散

Explanation: Metaphor of the collapse of things disappear. 　　Source: Zhou G letter "General Langya determine a company-week-old American horse epitaph": "captaincy before various state military, living overseas dependable insurance, wolf owl Zhang Gu, the mountains look for clouds, deep valleys and scenery, nine to horizon, the three ups and downs, Wei Feng Ma beam, marine fly bridge. Sui Ching Shan Gu was empty, deglaciation fog lifted. "