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A shutdown is when a factory, a business, or a machine is closed and stops working — for a short time, or for good.
A shutdown is停工／關廠／關機是 when a factory, a business, or a machine is closed and stops working工廠、企業，或機器關閉、停止運作的時候——for a short time, or for good可以是暫時的，也可以是永久的。
A factory shutdown can send workers home for weeks. A machine shutdown can be a planned pause so someone can fix it.
A factory shutdown can send workers home for weeks工廠停工可能讓工人放假在家好幾週。A machine shutdown can be a planned pause機器停機可以是預先安排的暫停，so someone can fix it好讓人可以修理它。
You will also hear it with computers: a system shutdown, when the machine is turned off in order. The noun matches the verb shut down.
You will also hear it with computers你也會在電腦相關的說法裡聽到它：a system shutdown系統關機，when the machine is turned off in order指機器按程序關掉的時候。The noun matches the verb shut down這個名詞對應的動詞就是shut down（關掉）。
Though actually, in the news you will also hear government shutdown, when many public offices stop because money has not been agreed. That is the same picture — things closing — on a bigger stage, and in Taiwan news that one is usually called 停擺, not 關機. The home meaning here is still the factory, the shop, the machine.
Though actually不過事實上 in the news you will also hear government shutdown新聞裡你還會聽到government shutdown（政府停擺），when many public offices stop because money has not been agreed指許多政府機關因為預算沒談攏而停止運作的時候。That is the same picture — things closing — on a bigger stage這其實是同一個「關閉」的畫面，只是搬到更大的舞台上，and in Taiwan news that one is usually called 停擺, not 關機而台灣新聞通常把那個叫做停擺，不叫關機。The home meaning here is still the factory, the shop, the machine這個字最核心的意思，還是工廠、店家、機器（的停工）。
組成From the verb phrase shut down — close it, stop it. The noun names that closing.
同家族的字
- shutfrom the phrasal verb shut down
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。
shutdownnoun
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The action of stopping operations; a closing, of a computer, business, event, etc.
- You need to enter your password at startup, but it's not required at shutdown.
- There is a plastic molly-guard covering the escalator's shutdown button to prevent little kids from pushing it and stopping the escalator.
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A statement, insult, etc. that prevents the opponent from replying further.
- When he insulted me, my reply was such a shutdown that he left the room.
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human-sciencespsychologysciencesAn autistic response to stress or sensory overload, in which the individual freezes up and becomes silent, motionless, and unresponsive.
- I retreated into myself and allowed myself to be swallowed into a typically autistic shutdown.
- I may even reach the point where I have an autistic shutdown, which means I'll be unable to communicate, interact or socialize.
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hobbieslifestylesportsA defensive ploy that prevents the opposing players from attacking.
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slangA big success; a hyped atmosphere.
- Fashion week and it's shutdown / Went to the show, sitting in the front row / In a black tracksuit and it's shutdown
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。