核心畫面
The plain number 9 — one more than eight, one less than ten. Every other use is a fixed phrase that borrows this number for a vivid effect.
可以想成：就是數字 9——比八多一、比十少一。它本身只是個數，沒什麼畫面；nine 之所以有別的意思，是因為它被塞進…更多收起
可以想成：就是數字 9——比八多一、比十少一。它本身只是個數，沒什麼畫面；nine 之所以有別的意思，是因為它被塞進幾個固定說法裡，借「九」這個數字來營造效果（很多次、很短、很多條命）。所以核心永遠是那個數字，其餘都是掛在固定片語上的引申。原始詞典資料8 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。
Ninename
- 1
A surname.
ninenum/naɪn/
- 1
A numerical value equal to 9; the number following eight and preceding ten.
- Would they want me to vote my conscience or would they want us to unanimously go the whole nine yards, declare him sane and possibly have the trial end up in a death sentence?
- Of course, for a number to have a biography, we need to assume that none of its digits are present more than nine times.
- 2
Describing a group or set with nine elements.
- A cat has nine lives.
ninenoun/naɪn/
- 1
The digit or figure 9.
- Indeed, if a number does not have nines, you can remove or add zeroes at the end of a biography to get another biography of the same number.
- 2
card-gamesgamesA playing card with nine pips.
- 3
engineeringgovernmentmilitaryA nine-millimeter semi-automatic pistol.
- Hiro risks turning on a small flashlight, uses it to rummage around the yatcht, picking up valuable stuff: a few bottles of (presumably) drinkable water, some food, extra ammunition for his nine.
- 4
computingengineeringmathematicsA statistical unit of proportion (of reliability, purity, etc.), based on the number of nine digits in a percentage.
- They guaranteed that our Web site would have 99.99% uptime, or four nines.
- 5
ball-gamesbaseballgamesA baseball club, team, or lineup (composed of nine players).
- The St. Louis club is the only nine in the league which gives its patrons the right to see a full game or no pay.
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。