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closed to [noun/gerund]
表示不对外开放或不允许进入。
The library is closed to visitors during the renovation.
翻新期间图书馆不对访客开放。
关着的；封闭的
先理解核心含义，再看它在真实句子里的用法。
关着的；封闭的
Physically shut, sealed, or obstructed.
The library is closed to visitors during the renovation.
翻新期间图书馆不对访客开放。
物理上受阻、密封等。
Physically obstructed, sealed, etc.
不开放用于操作、参与、互动等。
Not available for operation, participation, interaction, etc.
已完成、已定稿的。
Completed, finalised.
其补集为开集的。
Having an open complement.
The store is closed on Sundays.
这家商店周日关门。
The meeting was closed to the public.
这次会议不对公众开放。
She kept her eyes closed during the scary movie.
她在看恐怖电影时一直闭着眼睛。
表示不对外开放或不允许进入。
The library is closed to visitors during the renovation.
翻新期间图书馆不对访客开放。
表示因特定原因暂时关闭。
The store is closed for inventory.
商店因盘点而关门。
表示用物理方式封锁，阻止进入。
The area was closed off from the public for safety.
该区域因安全原因对公众封闭。
Not this
The store is close.
Use this
The store is closed.
形容词'closed'表示'关闭的'，而'close'作形容词时表示'近的'。此处应使用过去分词形式的形容词'closed'来表示商店不营业。
Not this
I am closed to the school.
Use this
I am close to the school.
当表示距离近时，应使用形容词'close'，而'closed'是'关闭的'的意思。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
关着的门；不公开的
We had a closed-door meeting to discuss the issue.
我们开了一个闭门会议来讨论这个问题。
一无所知的事物；难懂的事
Physics is a closed book to me.
物理对我来说是一窍不通。
只雇用工会会员的工厂（或企业）
The company operates a closed shop.
这家公司实行工会会员制。
闭路（电视）
The building is monitored by closed-circuit television.
这座建筑由闭路电视监控。
封闭的思想
He has a closed mind about new ideas.
他对新思想持封闭态度。
非公开会议
The committee held a closed session.
委员会举行了一次非公开会议。
谜；难以理解的人或事
Physics is a closed book to me.
物理对我来说是个谜。
秘密的；非公开的
They held a closed-door meeting.
他们举行了一场闭门会议。
封闭的思想；固执
You need to approach the problem with an open mind, not a closed one.
你需要以开放的心态，而不是封闭的心态来面对问题。
案件告破。
Kogoro Mori often says 'Case closed!' after solving a mystery in the anime Detective Conan.
毛利小五郎在动画《名侦探柯南》中经常在解决谜案后说'Case closed!'。
Use closed naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象CLOSED中C像锁扣，L像门闩，合上就是关闭。
[object Object]
作定语或表语，常接介词to表示'对…关闭'
Dictionary facts from ECDICT, WIKTIONARY.