What are the idioms that describe the great changes in the weather?

Pinyin:

Explanation: back: turn around; Inverted: upside down. The weather is hot and cold. Describe repeated and changeable.

How I wish I could be in sow the sun in a dark and cold place.

2, warm and cold at first sight

Pinyin: zhànuán zhàhán

Explanation: at first glance: at first. Hot and cold. Describe the spring and autumn, cold and hot weather is changeable.

For example, in case of bad weather, the temperature is warm and cold, please pay attention to changing clothes in time and do a good job of pre-cooling and heatstroke prevention.

3. impermanence

Pinyin: bin Huàwúcháng

Explanation: impermanence: there is no normality. Of things constantly changing and having no regularity.

With the growth of age, people begin to worry about the vagaries of life.

4, 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.

Example: These stalactites vary in shape and color. It's really worth seeing.

5. Unpredictable

Pinyin: biàn huà mò cè

Interpretation: measurement: estimation. It changes a lot and is unpredictable.

Example: Facing the unpredictable future, we should not be rash and unconventional, but have down-to-earth diligence and determination to overcome difficulties.