What are the idioms to describe "changeable weather"?

Pinyin: biàn huàn mò cè

Explanation: Change: Change is unmeasurable. It changes a lot and is unpredictable.

Source: Yu's Epitaph of Ma Jun, a Small and Medium-sized Prison in the Temple: "When it is, I see Wang Yubei Pavilion, with a deep forest and dragons in the mountains, which is unpredictable."

The constant change of events

Pinyin: fēng yún bià huàn

Commentary: as changeable as the wind and cloud. Metaphor the situation is changing rapidly and the trend is unpredictable.

Source: Liang Yusheng's poem "Entering Pengcheng Pavilion" in the Southern Dynasties: "The folk customs of different times are even more ups and downs."

mutable

Pinyin: Qin biàn wàn Huà

Description: The description varies greatly.

Source: "Liezi Zhou Muwang": "Don't fall because of emptiness, but move with reality, ever-changing and never exhausted." Historical Records Biography of Jia Yi: "There are great changes."

Rapid change

Pinyin: shn xwàn biàn

Explanation: blink: blink; Rest: Breathe. Many changes have taken place in a short time. Describe the rapid change.

Source: Qing Wu Ren Jian's Painful History, Chapter 16: "The military situation is changing rapidly. Don't say we are going to the south for a few days. Even Premier Wen at this time doesn't know where it is? "

Most changeable

Pinyin: bi à n hu à du not du ā n

Description: end: clue. Describe a great change. It also means a lot of changes.

Source: Meng Long's "Ancient and Modern Novel Chen Meiling's Lost Family": "This great sage in heaven is full of magical powers and changes."

It changes quickly.

Pinyin: shn x-wàn Zhuàng

Description: The description changes greatly and quickly. With "rapid change".

Source: Liao Zhongkai's Letter to Chiang Kai-shek (V): "Reporting current events is changing rapidly, especially the military situation. If you don't touch the news from all directions day and night, you may not be able to improvise. "