雾兴云涌

Explanation: See fog, clouds Chung. "Analogy rapid emergence of many things. 　　Source: Liang, "Green reported classification of" Junxing after Qi state scholars, getting to know in order to understand the times, to know the first four countries to study the meaning, so the newspaper fog cloud Chung Hing. " Thesaurus:  Fog scuding dark clouds