散衍（sàn yǎn）

Pronunciation: sàn yǎn

Basic Meaning: to scatter and spread

Detailed Explanation: 散衍 means to scatter or spread something in different directions. It can also refer to the dispersal or dissemination of information, ideas, or opinions.

Usage Scenarios: This idiom is often used to describe the spreading or dissemination of things such as knowledge, rumors, or news.

Story Origin: The origin of this idiom can be traced back to ancient China. In ancient times, when scholars wanted to spread their ideas or knowledge, they would write books or give lectures to share their thoughts with others. The act of spreading knowledge or ideas was compared to scattering and spreading something.

Structure of the Idiom: The idiom "散衍" is a combination of two characters: "散" (sàn) meaning to scatter or disperse, and "衍" (yǎn) meaning to spread or extend.

Example Sentences:

1. 他的演講在全國范圍內散衍開來。

(His speech spread throughout the country.)

2. 這個謠言散衍得非常快，很多人都相信了。

(This rumor spread very quickly, and many people believed it.)

Memory Techniques: To remember the meaning of "散衍", you can imagine scattering seeds (散) in a garden, and then watching as the plants grow and spread (衍) in different directions.

Extended Learning: To further understand the concept of "散衍", you can explore related idioms such as "四散" (sì sàn) meaning to scatter in all directions, or "傳播" (chuán bō) meaning to spread or disseminate.

Example Sentences from Different Age Groups:

1. Children: 在風中放風箏，線從手中散衍開去。

(Flying a kite in the wind, the string scattered and spread from my hand.)

2. Teenagers: 網絡的信息散衍得非常快，我們要慎重對待。

(Information on the internet spreads very quickly, we need to treat it cautiously.)

3. Adults: 他的研究成果散衍到了全球各地。

(His research findings have spread to all corners of the world.)