风云变幻

Explanation: FY: metaphor volatile situation changes; changes: variable. As volatile as the situation. Parable complexity of the situation, rapidly changing, unpredictable 　　Usage: The main predicate; as predicate, object, attribute; describe the nature and changes in the situation 　　Source: Lu Song "Jiannan Shigao": "the situation changes a few gallery, Kau sea turtle bar before the waves." 　　Examples: But then things ~ I am afraid that the world is not much there, I did not expect, did not describe, I do not quite see "poison pen." (Lu Xun's "three free _set_ of communication") Thesaurus:  Infinite mystery, change constantly, Infinite variety, be most changeful, fantasticality, vagary, vary contingency, there is a sudden change in the situation, make still further progress, change constantly like cloud and wave, lubricity, vagrancy, diversity, ebb and flow contingency, ebb and flow boundless, obliterate, Changing situation, Yunjuefenggui, Ghost out of power into, Ghost out empathic, Ten of nine changes, give oneself a shake and change into another form, Hey presto!, chop and `change keep changing one's plans, opinions, etc