What idioms describe "the most abnormal weather"?

A bolt from the blue, greatly wronged, exposed to ten cold, fickle, capricious.

a bolt from the blue

Explanation: thunderbolt: thunder. It thundered on a sunny day. A metaphor for an unexpected and shocking event that suddenly happened.

From: Song Luyou's poem "Four nights before the cock crows": "It's like a long time, the sky suddenly flies."

Like a dragon that has been dormant for a long time, it thunders when it gets up on a sunny day.

Second, great injustice [Li Yu She F ē I Shu ā ng]

Explanation: This old metaphor is unjust imprisonment.

Said by: Zhang Tang, prison motto: "Everyone has anger and great injustice."

The anger accumulated by ordinary people, which God could not bear, caused the frost and snow in June.

Third, one encounter with ten cold

Description: exposure: exposure to the sun. The original intention is that although it is the easiest plant to grow, it can't grow even if it is frozen for ten days in the sun. Metaphor study or work hard, lazy, no perseverance.

Mencius said in the Warring States Period: "Although there are things that are easy to live in the world, if it is violent for one day and cold for ten days, nothing can live."

Even if there are plants that grow easily in the world, no one can survive if they are exposed to the sun for one day and frozen for ten days.

Four. Variety [bià n huà du not du ā n]

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

Said by: Meng Long's ancient and modern novel, Chen Meiling lost his home: "This great sage of Qi Tian has vast magical powers and is changeable."

V. willfulness [f m: n f ù wú chá ng]

Explanation: refers to uncertainty.

From: The Romance of the Three Kingdoms by Luo Guanzhong in the Ming Dynasty: "Cao Cao said,' Yuan Tan boy, I can't believe it. " "

Cao Cao said,' Yuan Tan boy is capricious, and it is difficult for us to confirm his news.