核心畫面
Picture two separate lines that were never aimed at each other, and yet at one point they land on exactly the same spot. Nobody arranged it. The word points at that moment of overlap — two things falling together.
可以想成兩條各走各的線，本來誰也沒瞄準誰，卻在某一點剛好落在同一個位置上。沒有人安排，它就是這樣對上了。這個字指的就…更多收起
可以想成兩條各走各的線，本來誰也沒瞄準誰，卻在某一點剛好落在同一個位置上。沒有人安排，它就是這樣對上了。這個字指的就是那個「重疊」的瞬間——兩件事湊在一起。日常用法看重的是那種「怎麼會這麼巧」的意外感，正式用法則只是平靜地指出兩邊剛好一致。原始詞典資料4 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。
coincidencenoun/kəʊˈɪnsɪdəns/
- 1
The property of being coincident, occurring at the same time or place.
- 2
The appearance of a meaningful connection between events when there is none.
- That the two writers were born and died on the same day is just a coincidence, although there are many conspiracy theories about it.
- It is sheer coincidence that the cartoon resembles the local politician.
- 3
mathematical-analysismathematicssciencesA coincidence point.
- 4
geometrymathematicssciencesA fixed point of a correspondence; a point of a variety corresponding to itself under a correspondence.
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。