搆得到：從刻度到目標
兩個意思共用同一隻手：一個伸向刻度上的某一點，一個伸向人生裡的某個成果。
reachable (on a scale) · adjective · C2
Possible to reach, used about a particular level, age, size, speed, or similar point on a scale.
可達到的
核心畫面
One way to picture it: something is close enough that your hand can actually land on it — you can stretch out and touch it, so it is within reach.
比較像：伸手出去，真的碰得到。attain 這個動作本身就是「伸手觸到、搆到」，加上 -able 變成「搆得到的」。…更多收起
比較像：伸手出去，真的碰得到。attain 這個動作本身就是「伸手觸到、搆到」，加上 -able 變成「搆得到的」。所以 attainable 講的不是「這東西好不好」，而是「以你現在的位置和條件，這個點在你的伸手範圍之內」——距離感是它真正的重點。跟 possible 比起來，attainable 多了一層「要伸手、要花力氣，但確實搆得著」的感覺。From the word’s history
attain comes via Old French ateindre from Latin attingere = ad- (to) + tangere (to touch) — literally “to touch on, reach”. The adjective keeps that hand-reaching-and-touching picture.
attain 經古法文 ateindre 來自拉丁文 attingere，由 ad-（朝向）+ tangere（觸碰）組成，字面就是「碰到、搆到」（tangere 也是 tangible 可觸摸的那個字根）。這條線很有用：它解釋了為什麼 attainable 天生帶著「距離」的味道——先有伸手的動作，才有搆不搆得到的問題。
Wiktionary / Online Etymology Dictionary: attain — from Old French ataindre, from Latin attingere (ad- “to” + tangere “to touch”).
One branch
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。
attainableadj/əˈteɪ.nə.bəl/
- 1
Able to be accomplished, achieved, or obtained.
- Chriſtians, this aſſuring Faith is attainable; pray for it, and vigorouſly preſs after it that you may be ſealed up unto the day of Redemption, that ſo an Entrance may be miniſtred unto you, into the everlaſting Kingdom of our Lord and Saviour Jeſus Chriſt, [...].
- He even neglected to open his Apprehenſions to Livia, leſt ſhe ſhould be ſo much alarmed, as to be upon her Guard, and thereby render the Enjoyment of his Pleaſures more ſeldom attainable.
attainablenoun/əˈteɪ.nə.bəl/
- 1
Something that can be attained.
- In this Account God gives of himſelf, there's a beautiful Variety of the moſt uſeful and noble Attainables, to excite our greatest Diligence, [...]
- So is good housing and medical care and all the other attainables which lead to a better life. But we've allowed these common goals to be compartmentalized and labeled for "special" groups only.
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。