allowing things or people to go or be taken in, out or through; not closed 开着的: leave the door open 让门开着 * The door burst open and the children rushed in. 门突然撞开了, 孩子们闯了进来. * sleep in a room with the windows open 在窗户敞开的屋里睡觉 * with both eyes open 睁着双眼 * The dog escaped through the open gate. 那狗穿过敞着的大门逃走了. 
[usu attrib 通常作定语] not enclosed, fenced in or blocked 敞开的; 未围起的; 未堵塞的; 开阔的; 空旷的: He prefers open fires to stoves or radiators. 他喜欢用明火取暖, 不喜欢炉子或暖气. * open country, ie without forests, buildings, etc 空旷的郊野 * open fields 田野 * an open stretch of moor 一片空旷的沼泽 * crack open a nut 弄开坚果 * break open a safe 破开保险柜. 
[usupred 通常作表语] ready for business; admitting customers or visitors 营业; 办公; （顾客或观众等）可进入: The banks aren't open yet. 银行尚未开始营业. * The shop isn't open on Sundays. 这个商店星期日休息. * Doors open (eg of a theatre) at 7.00 pm. 下午7时开门（如剧院）. * Is the new school open yet? 那所新校开学了吗? * She declared the festival open. 她宣布庆祝会开始. * He kept two bank accounts open. 他有两个银行户头可用. 
(a) spread out; unfolded 伸开的; 展开的; 开放的: The flowers are all open now. 现在花儿都开了. * The book lay open on the table. 那本书在桌上摊开放着. (b) not fastened; undone 未系住的; 解开的; 松开的: an open shirt 没系钮扣的衬衫 * a blouse open at the neck 敞领口的女衬衫 * His coat was open. 他的大衣敞开着. 
[attrib 作定语] not covered in or over 没覆盖的; 没遮掩的; 裸露着的: an open car, ie one with no roof or with a roof that is folded back 敞篷汽车 * an open wound, ie one in which the skin is broken or damaged 开放性创伤* He has open sores all over his arms. 他的胳膊上长着烂疮. * an open drain/sewer 排水[污水]明沟.
~ (to sb/sth) that anyone can enter, visit, etc; public 公开的;任何人都可以（进入﹑ 参观等）的; 公共的: an open competition, championship, scholarship 公开的比赛﹑ 冠军赛﹑ 奖学金 * This garden is open to the public. 这座花园向公众开放. * She was tried in open court, ie with the public being freely admitted to hear the trial. 她受法庭公开审讯. 
(a) not kept hidden or secret; known to all 不隐秘的; 不保密的; 众所周知的: an open quarrel, scandal, etc 公开的争吵﹑ 丑闻等 * the lovers' open display of affection 情人的坦诚示爱. (b) willing to talk; honest; frank 愿意谈话的; 诚实的; 坦率的: an open character 直爽的性格 * He was quite open about his reasons for leaving. 他毫不隐瞒自己离去的原因. 
not finally decided or settled 未做最後决定的; 尚未解决的:Let's leave the matter open. 这件事先悬着吧. * Is the job/vacancy/position still open (ie available, unfilled)? 那工作[空缺/位置]还接受申请吗? 
[usu attrib 通常作定语] (of cloth, etc) with wide spaces between the threads （指布等）稀疏的, 稀松的: an open texture/weave 稀松织法. 
(idm 习语) be an open `secret be known tomany people, though not publicly or officially acknowledged已是公开的秘密: Their love affair is an open secret. 他们的风流韵事是公开的秘密. be/lay oneself (wide) open to sth behave so that one is likely to receive (esp) criticism, etc 使自己易受（尤指）批评等: Don't lay yourself open to attack. 不要让自己轻易受人攻击. * You're laying yourself wide open to accusations of dishonesty. 你这样做就是让人指责你不诚实. be ,open to `offer/`offers be willing to consider a price to be offered by a buyer 欢迎开价: We haven't decided on a price but we're open to offers. 价钱未定, 欢迎顾主开价. have/keep an open `mind (about/on sth) be willing to listen to or accept new ideas, consider other people's suggestions, etc 愿听取﹑ 接受或考虑别人的意见﹑ 想法等: I'm not convinced your idea will work, but I'll keep an open mind for the moment. 我还没想通是否你的意见可行, 不过我先考虑一下. in the open `air not inside a house or building; outside 在户外; 在露天: picnics in the open air 露天野餐 * sleeping in the open air 露宿. keep one's `ears/`eyes open be alert and quick to hear or notice things 留心听[看]; 密切注意. keep an eye open/out => eye1. keep one's eyes open/ peeled/ skinned => eye1. keep open `house offer hospitality to visitors at all times 好客; 随时接待来宾. keep/leave one's options open => option. keep a weather eye open => weather1. leave the door open => leave1. an open `book person who is easily understood and very frank 直爽而容易了解的人: His mind is an open book. 他胸无城府. open `Sesame (magic words used in one of the Arabian Nights stories to cause a door to open 《天方夜谭》故事中用以叫开门的咒语). an open sesame (to sth) an easier way of gaining sth that is usu difficult to obtain 可得到（通常指难以得到的）某事物的捷径或窍门: Being the boss's daughter is not an open sesame to every well-paid job in the firm. 作为老板的女儿并不是获得本公司任何优薪职位的包票. open to sb possible for or available to sb ...可供某人取舍; 某人可有...: It seems to me that there are only two options open to her. 我觉得她只有两种选择. open to sth willing to receive sth 乐於接受某事物: open to suggestions 乐於听取建议 * open to conviction, ie willing to be persuaded about sth 愿听取有说服力的不同意见. throw sth open (to sb) make sth available to everybody 使大家可接触或获得某事物: throw the debate open to the audience 让听众参予辩论 * throw one's house open to the public 敞开家门接待公众. wide open => wide. with one's eyes open => eye1. with open `arms with great affection or enthusiasm 热烈地; 热情地: He welcomed us with open arms. 他热情地欢迎我们.> the open n [sing]
1 open space or country; the open air 户外; 野外; 露天: The children love playing out in the open. 孩子们喜欢在户外玩耍. Cf 参看 in the open air.
2 (idm 习语) bring sth/be/come (out) in(to) the `open make (esp secret plans, ideas, etc) known publicly; be/become known publicly 公开（尤指秘密计画﹑ 想法等）; 人人皆知: Now the scandal is out in the open, the President will have a lot of questions to answer. 由於丑事已公开, 总统有许多问题要答覆.
openly adv without secrecy; honestly; publicly 公然地; 坦率地; 公开地: discuss a subject openly 坦率讨论某题目 * go somewhere openly, ie where one might be expected to go secretly 公开到某处.
openness n [U] honesty; frankness 真诚; 坦率: They were surprised by her openness when talking about her private life. 她谈起私生活时非常坦率, 大家都很吃惊.
# ,open-`air adj [attrib 作定语] (taking place) in the open air; outside 露天的; 户外的: an ,open-air `swimming-pool 室外游泳池 * an ,open-air `party 露天聚会.
,open-and-`shut adj completely straightforward and obvious 显然的; 明显的: As far as I can see the whole matter is open-and-shut. 我看整件事是一清二楚. * He's obviously guilty it's an open-and-shut case. 他显然有罪--此案昭然若揭.
`opencast adj [usu attrib 通常作定语] (of mines or mining) at or from a level near the earth's surface （指矿或采矿）露天开采的: opencast coal-mining 露天采煤. Cf 参看 deep-mined (deep2).
,open `cheque one that may be cashed at the bank on which it is drawn; cheque that is not crossed (cross2 4) 普通支票; 非划线支票.
`open day day when the public may visit a place normally closed to them 开放日（接待公众参观之日, 平时该处不对外开放）: an open day at the village school 该乡村学校的开放日.
,open-`ended adj without any limits, restrictions or aims set in advance 无限制的; 无预期目标的: an ,open-ended `contract 敞口合同 * an ,open-ended di`scussion 自由讨论.
,open-`eyed adj (a) with open eyes, as in surprise 睁大眼睛的（表示惊讶）: open-eyed in terror 吓得目瞪口呆. (b) watchful; alert 警觉的; 机警的; 警惕的.
,open-`handed adj giving freely; generous 慷慨的; 大方的. ,open-`handedly adv. ,open-`handedness n [U].
,open-`hearted adj sincere; kind 真诚的; 善良的.
,open-heart `surgery (medical 医) surgical operation on the heart while blood is kept flowing by machine 体外循环心脏手术.
,open `letter letter, usu of protest or comment, addressed to a person or group, but intended to be made public, esp by being printed in a newspaper 公开信: The students wrote an open letter to the Minister of Education. 学生们给教育部长写了一封公开信.
,open-`minded adj willing to consider new ideas; unprejudiced 愿接受新思想的; 无偏见的: He wished his parents were more open-minded on political issues. 他希望父母在政治问题上开通一些.
,open-`mouthed / -maUTd; -`maJTd/ showing great surprise, etc 目瞪口呆的; 吃惊的: The child stared open-mouthed at the huge cake. 那孩子惊奇地瞪?大蛋糕.
,open-`plan adj (of a building) with few interior walls （指建筑物）开敞布置的: the lack of privacy in an ,open-plan `office 在开敞布置的办公室里私人环境之不足.
,open `prison prison with fewer restrictions than usual on prisoners' movements, etc 开放式监狱（对犯人行动限制较少者）.
,open `question matter on which different views are possible; question that is not yet decided or answered 可自由发表意见的问题; 尚未解决的问题: How many people will lose their jobs is an open question. 有多少人将要失业, 这一问题尚无定论.
,open `sandwich slice of bread with meat, cheese, etc on top 单片三明治（一片面包上有肉﹑ 乾酪等）: a Danish open sandwich 丹麦式单片三明治.
the ,open `sea area of sea that is not closed in by land 外海; 公海: Sail in and out of the bays not on the open sea. 在港湾内外航行--不在公海上.
the `open season period of the year when certain fish and animals may be legally killed or hunted for sport （渔猎）开放季节: October to February is the open season for pheasants in Britain. 在英国十月至二月是猎雉的开放季节.
the ,Open Uni`versity (Brit) university whose students study chiefly from home through correspondence and special TV and radio programmes 开放大学（学生通过
函授和电视及电台节目学习）.
,open `verdict jury's verdict that does not specify what action or crime caused a person's death 存疑裁决（陪审团对死因不详案的裁决）.
,open `vowel (phonetics 语音) vowel made with the tongue lowered considerably from the roof of the mouth, eg / B:/, / C/ 开元音（发音时舌位较低）如/ B:/﹑ / C/.
`open-work n [U] pattern (in metal, lace, etc) with spaces between threads or strips （金属, 饰边等）透雕细工, 网状细工: [attrib 作定语] open-work lace 网眼饰边 * open-work wrought iron 透雕细工锻铁.