变幻不测

Explanation: Refers to the changeable and unpredictable. 　　Source: "Second, the case engraved folding surprise" Sanjiu Volume: "will sleep for a day, unexpected changes, such as the dragon, so people called him lazy dragon." 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 boundless, obliterate, sudden change of a situation, 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