[] shut, used especially about a shop/store or public building that is not open for a period of time（一段时间）停止营业的，不开放的◆The stock market will be closed on Monday for a national holiday.星期一为全国假日，股票市场停止营业。 [] limited to a particular group of people; not open to everyone仅限于某些人的；非公开的◆The CEO spoke to union representatives in a closed meeting.行政总裁在一次非公开会议上对工会代表讲话。●behind closed ˈdoorswith only particular people being allowed to attend or know what is happening; in private与外界隔绝；秘密地◆The merger was discussed behind closed doors.兼并是经过秘密讨论的。