材質本身
核心畫面本身：那片硬紙，以及用它做成的東西。
stiff thick paper · noun · A2
Stiff thick paper, usually brown or grey, that is strong enough to hold its shape and is used most of all for making boxes.
厚紙板；瓦楞紙板
核心畫面
Hold a box in your hand: stiff, dry, grey-brown paper. It stands up on its own and holds a shape — but it is thin, and there is nothing inside it. Strong enough to be a wall, too empty to be a thing.
手上拿著一片攤開的紙箱：硬硬的、乾乾的、灰褐色的厚紙。它撐得住自己、能立起一個形狀——可是它很薄，裡面什麼都沒有。厚…更多收起
手上拿著一片攤開的紙箱：硬硬的、乾乾的、灰褐色的厚紙。它撐得住自己、能立起一個形狀——可是它很薄，裡面什麼都沒有。厚到足以當一面牆，空到不足以成為一個實體。cardboard 的兩層意思，剛好各取這張圖的一半：一半取它的「材質」，一半取它的「有外殼、沒內容」。Two branches
有外殼、沒內在
取紙板「薄、空、只是一個立起來的外形」這一面，用來說故事裡的人物。
flat, unreal characters · adjective · B2
Used about people in a story, film, or play who seem flat and not real, because they have an outside but nothing going on inside them.
扁平的；不像真人的
原始詞典資料5 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。
cardboardnoun/ˈkɑːdbɔːd/
- 1
A wood-based material resembling heavy paper, used in the manufacture of boxes, cartons and signs.
- 2
Something flat or insubstantial.
- In my experience, one of the most vital times in the life of a piece of fiction is when a character begins to speak, timidly and softly, in one's head. Honest and true books get written when the author feels free to coax and invite that character in. If the author's response to that small voice is instead to submit it to a test: "Are you: black/white/gay/straight/male/female/Christian/Jewish/old/young/politically correct" the character will probably turn around and leave or else turn into cardboard.
- According to these keyboard warriors, the young men and women who survived the shooting are part of a big hoax, are liars, are mere cardboard cutouts – “crisis actors” who roam the country looking for mass shootings from which to promote their anti-gun message – all being pushed forward by the giant liberal machine that is Hillary Clinton’s robot attack army.
- 3
Synonym of African nutmeg (“Pycnanthus angolensis”).
cardboardadj/ˈkɑːdbɔːd/
- 1
Made of or resembling cardboard.
- The thing really looked quite cardboard.
- MUMMER 3 pulls out an inflated cushion with a very cardboard crown on it.
- 2
Flat or flavorless.
- The worst of the thing, however, is that the enormity, such as it is, happens to be of a very cardboard and tinsel character.
- […]a conventional historical drama -- one of those event-crammed sagas featuring a beautiful, plucky heroine, a mysterious, elusive lover and a cardboard supporting cast of thousands.
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。