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Abracadabra is the word a magician calls out at the moment of the trick — the coin from behind your ear, the scarf that “vanishes.” It is supposed to help the magic work; though actually it is part of the show, like a drum roll, not a key that opens anything. Children shout it when they play at magic. Grown-ups also use it with a smile, or a little bite, for empty fancy talk: if a plan is all big cloudy words and no clear steps, someone may say it is abracadabra. It can be the shout itself or a noun (“He some abracadabra”). You cannot take it apart into smaller English meanings; it is a mysterious-sounding whole that people kept because it feels like a spell.
阿布拉卡達布拉（變魔術時喊的咒語；也可挖苦讓人聽不懂的空話）
組成English borrowed the whole word from Late Latin abracadabra. It does not split into English pieces.
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。
abracadabranoun/ˌæbɹəkəˈdæbɹə/
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A use of the mystical term ‘abracadabra’, supposed to work as part of a healing charm or a magical spell; any spell or incantation making use of the word.
- Where is the necessity of this provision in the Constitution? […] Can anyone believe that we, by any amendments of ours, by any of our scribbling on that parchment, by any amulet, any legerdemain—charm—Abrecadabra—of ours can prevent our sons from doing the same thing—that is, from doing as they please, just as we are doing as we please? It is impossible. Who can bind posterity?
- With a quiet bank holiday afternoon to fill, the Mill yesterday dug out the old magic kit, brushed the cobwebs off its top hat and practiced a few abracadabras.
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Arcane and obscure language of occult rituals or mystical practices.
- We made no comment but even Sandra herself could see how ridiculous all this abracadabra must sound to a listener.
- Astrology was not specifically banned in the statutes against witchcraft, but so long as its technicalities remained abracadabra to the lay public there was always a risk that the practitioner might find himself arrested for sorcery.
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Mumbo jumbo; obscure language or technicalities; jargon.
- I don’t know all the theoretical abracadabra about how it works, I’m only its pilot.
abracadabraintj/ˌæbɹəkəˈdæbɹə/
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Used to indicate that a magic trick or other illusion has been performed.
- Next, the conjuror filled a glass with water from a big jug and then covered the tumbler with a cloth. "Abracadabra," he cried and crumpled the cloth.
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。