寫成規定的上限
動作變成了具體的那條線：被寫下來、可以一條一條數的規定。
limiting rule · noun · B2
a rule that stops something from going past a certain point.
限制規定；上限
核心畫面
Picture a line drawn around something so it cannot go further. The word can point at the drawing of that line, at the line itself once it is written down as a rule, or at the place where you bump into it — the point past which a person or a thing simply cannot go.
可以想成：在一樣東西周圍畫一條線，讓它不能再往外。這個字可以指「畫線」這個動作、指那條線本身（寫成規定的上限），也可…更多收起
可以想成：在一樣東西周圍畫一條線，讓它不能再往外。這個字可以指「畫線」這個動作、指那條線本身（寫成規定的上限），也可以指你撞到線的那個位置——一個人或一樣東西再過去就不行了的那一點。From the picture
能力到此為止
線不是別人畫的，是這個人或這樣東西本身就到這裡為止——所以撞到的是自己的邊界。
shortcoming · noun · B1
the things about someone or something that stop them from being as good as you would like.
侷限；不足之處
Also in this word
act of restricting · noun · C1
the act of keeping something small, or of making it smaller.
限制（控制、減少的動作）
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。
limitationnoun/lɪmɪˈteɪʃən/
- 1
The act of limiting or the state of being limited.
- 2
A restriction; a boundary, real or metaphorical, caused by some thing or some circumstance.
- Getting into his wheelchair after his amputation, it felt like a limitation you could roll in.
- He understood the exam material, but his fear was a limitation he could not overcome.
- 3
An imperfection or shortcoming that limits something's use or value.
- Both the MI score and the t-score have their limitations. MI computes a logarithm representing the number of co-occurrences of words compared to their occurrences apart in the corpus, which can highlight rare collocations if the components tend not to occur with other words. The t-score formula is less susceptible to this but its numerical result cannot be meaningfully compared across corpora of different sizes.
- 4
lawA time period after which some legal action may no longer be brought.
- The lawyer obtained impunity by dragging his obviously guilty client's case beyond the ten-year limitation.
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。