not exactly：疊不太上
把完全吻合否定掉：差多少決定了語氣——差一點是委婉更正，差很遠就成了反話。
not exactly (close, not quite) · r · B1
used in the phrase “not exactly” when you answer someone: what they said is close, but it is not quite right.
不完全是；也不是啦
核心畫面
Picture two things laid on top of each other with no overhang anywhere — the fit is perfect, nothing left over on either side. Exactly claims that perfect fit. Once the word means "a perfect match", the negative becomes useful too: not exactly says the fit is off, sometimes only slightly, sometimes completely.
可以想成：兩樣東西疊在一起，四邊都沒有多出來——完全密合，哪一邊都沒有餘料。exactly 主張的就是這種完全吻合。…更多收起
可以想成：兩樣東西疊在一起，四邊都沒有多出來——完全密合，哪一邊都沒有餘料。exactly 主張的就是這種完全吻合。而一旦這個字代表「完全吻合」，它的否定就變得很好用：not exactly 是說「疊不太上」，有時只差一點點，有時根本差得遠——後者其實是在說反話。From the picture
Also in this word
exactly, precisely · r · A2
used to say that a number, a time, or a detail is completely correct — not more, not less, and nothing changed.
正好；確切地
exactly, intensifier · r · A2
used to make “the same”, “like”, or “the opposite” stronger, with no difference at all.
完全（一樣／相反）
exactly! agreeing · r · A2
used on its own as an answer, to say that what someone has just said is completely right.
沒錯！正是如此
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。
exactlyadv/ɪɡˈzæk(t).li/
- 1
mannerWithout approximation; precisely.
- Measure exactly so we can be sure it is right.
- The edge is not exactly straight.
- 2
Precisely, used to provide emphasis.
- He did it that way exactly to prove the point.
- His hair is a semilong dull red and pulled back in a sloppy pony at the base of his neck, and his face is riddled with small freckles and grease, but out here I can see personal hygiene isn't exactly at the top of the priority list.
exactlyintj/ɪɡˈzæk(t).li/
- 1
Signifies agreement or recognition.
- So you're saying that we have only three days left? — Yes, exactly!
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。