差距很小
把「窄」讀成兩個結果之間的距離：只差一點點，事情就會反過來。
by a small margin · r · B1
by only a small amount — used when someone wins, loses, misses, escapes, or avoids something by such a small difference that it almost went the other way.
以些微之差；差一點
核心畫面
A very small gap. Sometimes it is the gap between you and disaster — you got through, but only just. Sometimes it is the width of the opening you are looking through — you see clearly, but you see very little.
一道很窄的縫。窄有兩種讀法，narrowly 兩個意思剛好各佔一邊。一種是「縫窄到差一點就過不去」——你確實過了，但…更多收起
一道很窄的縫。窄有兩種讀法，narrowly 兩個意思剛好各佔一邊。一種是「縫窄到差一點就過不去」——你確實過了，但只差那麼一點就不是這個結局；另一種是「你透過這道窄縫在看」——看得很清楚，但看到的範圍很小。同樣是 narrow，前者量的是差距，後者量的是視野。Two branches
範圍很小
把「窄」讀成看出去的開口：不是差距小，而是納入的東西少。
in a limited way · r · B2
in a limited way — looking at or covering only a small part of something instead of the whole picture, often when a rule, word, or question is understood or written too tightly.
狹隘地；侷限地
原始詞典資料2 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。
narrowlyadv/ˈnæɹəʊli/
- 1
In a narrow manner; without flexibility or latitude.
- They regarded the new idea rather narrowly.
- There is now such an immense "microliterature" on hepatics that, beyond a certain point I have given up trying to integrate (and evaluate) every minor paper published—especially narrowly floristic papers.
- 2
Closely; by a narrow margin.
- They narrowly escaped collision.
- The next day Opra Pitrachard ſent for Monſieur Conſtance to come to him, and ordered him to go and tell the French Officers that there was no deſign of keeping them Priſoners […] I charge you that you ſay this, and no more to thoſe French Officers; and know, that you ſhall be narrowly watched and overheard.
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。