核心畫面
Think of the moment your mind refuses to take something in — 'I can't believe that.' Sense 4 is that reaction meant literally: the story really is too shaky to believe. The other three are the same reaction used as a measuring stick: the thing is so good, so bad, or so extreme that your belief can't stretch to hold it, and saying 'unbelievable' becomes a way of marking the size, not of doubting the facts.
可以想成「腦袋接不下來」的那一瞬間——我沒辦法相信。其中一種用法是照字面走：那個說法本身站不住腳，所以不可信。其他三…更多收起
可以想成「腦袋接不下來」的那一瞬間——我沒辦法相信。其中一種用法是照字面走：那個說法本身站不住腳，所以不可信。其他三種則是把同一個反應拿來當量尺用：東西好到、爛到、或誇張到你的相信程度撐不住，於是就說一句 unbelievable。這時候講的人並不是在懷疑事實，而是在標記「規模有多大」——語氣上偏口語，帶著情緒。原始詞典資料3 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。
unbelievableadj/ˌʌnbɪˈliːvəbl̩/
- 1
Not to be believed.
- ‘Come on, girls,’ said Steve, ‘be honest, we won.’ / ‘Yeah,’ said Raymond, ‘we let you off because you’re girls.’ / ‘You’re unbelievable,’ said Liz. / ‘Well, if we’re unbelievable,’ said Steve, ‘then you’re unbelievabler.’
- 2
Amazing, astonishing; so surprising that one is almost, or figuratively, unable to believe.
- The most unbelievable thing happened to me today!
- This restaurant makes unbelievable pizza!
- 3
Implausible or improbable.
- His excuse seems rather unbelievable.
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。