英 [ʃʌt daʊn]，美 [ʃʌt daʊn]
及物/不及物动词短语，表示“停止运行”“关闭（机构、设备等）”或“使停业”。强调通过特定程序终止系统、机器或组织的运作，而非物理性关闭。与“shut off”（切断流体/信号）相比，更侧重复杂系统的整体停止。
The computer system will be shut down over the weekend.（计算机系统周末关闭。）
The Florida Highway Patrol shut down the 20-mile stretch of the interstate.（佛罗里达公路巡逻队关闭了20英里的州际公路段。）
Smaller contractors had been forced to shut down.（一些小的承包商已被迫歇业。）
The mill was finally shut down by state safety inspectors.（这家工厂最终被州安全检查官关闭。）
It is required by law to shut down banks which it regards as chronically short of capital.（法律规定要关闭资金长期短缺的银行。）
| 短语 | 含义 | 示例 |
|---|---|---|
| emergency shutdown | 紧急关闭；事故停机 | The plant initiated an emergency shutdown after detecting a gas leak.（工厂检测到气体泄漏后启动了紧急停机。） |
| shut down decision | 关闭决策 | The board will vote on the factory shutdown decision next week.（董事会下周将对工厂关闭决策进行投票。） |
| shut down point | （经济学）关闭点 | The company reached its shut down point when revenue couldn’t cover variable costs.（当收入无法覆盖可变成本时，公司达到了关闭点。） |
They shut down the nuclear reactor for safety reasons.（出于安全原因他们关闭了核反应堆。）
The violence has shut down many nickel and chrome factories.（暴力事件使得许多镍铬合金厂关门了。）
The crash occurred when the crew shut down the wrong engine.（机组人员关错引擎后飞机坠毁。）
Local governments shut down unlicensed Internet cafes around campus.（地方政府关闭了校园周边的无证网吧。）
The surge pressure of overflow well shut-in impacts whether well can be shut down.（溢流关井的水击压力关系到能否关井。）
The KTV was forced to shut down under public pressure.（这家KTV在公众压力下被迫停业。）
He sold the newspaper’s assets and shut it down.（他卖掉报社资产后将其关闭。）
The government shut down 365 power generating units this year.（政府今年关闭了365个发电机组。）
The server will shut down automatically if overheating.（服务器过热时将自动关闭。）
The strike shut down several car factories in the region.（罢工导致该地区多家汽车厂停工。）
设备程序关闭：需按步骤终止运行（如电脑、服务器）；
商业运营终止：因财务、政策等原因永久或临时停业；
公共安全措施：政府或机构出于安全考虑强制关闭设施。
从工厂停工到系统关机，"shut down"始