人放鬆下來、話變多
撐開的是一個人的姿態：原本拘謹地縮著，放鬆之後整個人舒展開來，話也跟著多了。
become more talkative · verb · B2
To become more relaxed and confident, and start to talk more freely.
打開話匣子 / 變健談
核心畫面
One way to picture expand: something pushing from the inside until it takes up more room — air filling a balloon. The same outward push describes a company reaching into new places, and even a quiet person opening up and talking more freely.
可以想成 expand 是「由內往外撐開，佔的空間變大」——像空氣把氣球撐起來。同樣一個往外撐的動作，也用來講一家公…更多收起
可以想成 expand 是「由內往外撐開，佔的空間變大」——像空氣把氣球撐起來。同樣一個往外撐的動作，也用來講一家公司往新的地方伸展，甚至一個安靜的人放鬆下來、話開始多了起來。From the picture
Also in this word
grow bigger · verb · B2
To grow bigger in size, number, or amount, or to make something grow bigger in this way.
膨脹 / 擴大
business grows · verb · B2
If a company or business expands, or if someone expands it, it opens new shops or factories, or moves into new areas.
擴展 / 擴張（事業）
原始詞典資料11 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
expandverb/ɪkˈspænd/
- 1
To change (something) from a smaller form or size to a larger one; to spread out or lay open.
- You can expand this compact umbrella to cover a large table.
- 2
To increase the extent, number, volume or scope of (something).
- A flower expands its leaves.
- Then with expanded wings he steers his flight.
- 3
To express (something) at length and/or in detail.
- 4
algebramathematicssciencesTo rewrite (an expression) as a longer, yet equivalent, sum of terms.
- Use the binomial theorem to expand #123;(x#43;1)#125;⁴.
- 5
algebramathematicssciencesTo become, by rewriting, a longer, yet equivalent, sum of terms.
- The expression #123;(x#43;1)#125;⁴ expands to x⁴#43;4x³#43;6x²#43;4x#43;1.
- 6
arithmeticTo multiply both the numerator and the denominator of a fraction by the same (non-zero) number (which yields a fraction of equal value).
- Expanding 4#47;7 by 3 gives 12#47;21.
- 7
To change or grow from smaller to larger in form, number, or size.
- Many materials expand when heated.
- This compact umbrella expands to cover a large table.
- 8
To increase in extent, number, volume or scope.
另外 3 個記錄的用法
- 9
To speak or write at length or in detail.
- He expanded on his plans for the business.
- There was some laughter, and Roddle was left free to expand his ideas on the periodic visits of cowboys to the town. “Mason Rickets, he had ten big punkins a-sittin' in front of his store, an' them fellers from the Upside-down-F ranch shot 'em up […]”
- 10
To feel generous or optimistic.
- 11
computingengineeringmathematicsIn a hierarchical list (such as a directory tree or table of contents), to show the subentries of (an entry).
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。