without the public being allowed to attend or know what is happening; in private与外界隔绝;秘密地;暗地里
The meeting was held behind closed doors.会议秘密进行。
Which Word? close / shutclose / shutYou can close and shut doors, windows, your eyes, mouth, etc.
关门、关窗、闭眼、闭嘴等用 close 或 shut 均可。
Shut can suggest more noise and is often found in phrases such as slammed shut, banged shut, snapped shut.shut 可含发出较大声音之义,常见于 slammed shut、banged shut、snapped shut(砰的一声关上)等短语中。
Shut is also usually used for containers such as boxes, suitcases, etc.关上盒子、手提箱等亦常用 shut。
To talk about the time when shops, offices, etc. are not open, use close or shut:商店、办事处等停业或不办公用 close 或 shut 均可:
What time do the banks close/shut?银行什么时候关门?
A strike has shut the factory.罢工使工厂停业。
You can also use closed or shut (North American English usually closed):亦可用 closed 或 shut(美式英语常用 closed)表示:
The store is closed/shut today.这家商店今天不营业。
Especially in North American English, shut can sound less polite.
Closed is used in front of a noun, but shut is not:
a closed window.关着的窗户
We usually use closed about roads, airports, etc:道路封闭、机场关闭等常用 closed:
The road is closed because of the snow.这条路因下雪而封闭。
Close is also used in formal English to talk about ending a meeting or conversation.close 亦用于正式英语中,表示结束会议或谈话。