closed
adj
kləʊzd adj
1 not open 关闭的;
Make sure all the windows are closed.
一定要把所有的窗户都关好。
She kept her eyes tightly closed .
她双目紧闭。
2 if a shop, public building etc is closed, it is not open and people cannot enter or use it 〔商店、公共建筑等〕关门的，不开放的; not before noun 不用于名词前
The shops here are closed on Sundays.
这里的商店星期天关门。
closed to the public/visitors etc
The castle is closed to visitors in winter.
这座城堡冬天不对游客开放。
3 restricted to a particular group of people 只限于特定人群的;
The golf club has closed membership .
该高尔夫球俱乐部只限会员参加。
a closed meeting
只有特定人员参加的会议
The police have a closed circle of suspects.
警方掌握着一定范围的嫌疑犯。
4 not willing to accept new ideas or influences 闭关自守的，不受外来影响的;
You’re facing this situation with a closed mind .
你在这件事上思想太封闭了。
closed society/world/way of life
Venetian art in this period was a closed world.
这一时期的威尼斯艺术是一个封闭的世界。
5
behind closed doors
if something happens behind closed doors, it happens in private and the public are not allowed in 不公开地，秘密地
It seems that the deal was made behind closed doors.
这笔交易似乎是秘密达成的。
Football authorities ordered the club to play its next two games behind closed doors after the riots in February.
二月份的骚乱发生后，足球当局指示该俱乐部接下来的两场比赛不要公开举行。
6
a closed book (to sb)
a subject or problem that someone does not know about or understand （某人）一无所知 （毫不理解 ）的学科 （问题 ）
Mathematics has always been a closed book to me.
我对数学一向是一窍不通。
7
a closed set (of sth)
a restricted group, or a group that cannot change or grow 一成不变的某物
The law is not a closed set of rules and principles.
法律并不是一套不可改变的规定和原则。