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open的音标和读音：
DJ音标发音： [ˈoupən]
KK音标发音： [ˈopən]
open的词性：
adj.（形容词）
1. Affording unobstructed entrance and exit; not shut or closed.
开着的：没有障碍的进口和出口；没关的
2. Affording unobstructed passage or view:
通行无阻的：没有栅栏、界限或其它限制性边界的：
open waters; the open countryside.
开放的海域；开阔的村庄
3. Having no protecting or concealing cover:
没遮盖的：无保护的或无遮掩的：
an open wound; an open sports car.
没有包扎的伤口；敞篷跑车
4. Completely obvious; blatant:
显著的；露骨的：
open disregard of the law.
公然藐视法津
5. Carried on in full view:
公开的：
open warfare; open family strife.
公开的斗争；公开的家庭纠纷
6. Not sealed or tied:
未封上的：
an open package.
未封上的包裹
7. Spread out; unfolded:
打开的，未封住的：
an open book.
摊开的书
8. Having interspersed gaps, spaces, or intervals:
有空隙的；有间隔的：
open ranks; an open weave.
松散的队伍；织孔粗的编织
9. Accessible to all; unrestricted as to participants:
公开的，没有限制的：
an open competition.
公开赛
10. Free from limitations, boundaries, or restrictions:
不受限制的：
open registration.
自由登记
11. Enterable by registered voters regardless of political affiliation:
可自由参加的：不受政治因素干扰，通过民主投票产生的：
an open primary.
民主选举
12. Lacking effective regulation:
缺乏有影响力的管束的：
an open town in which gambling predominated.
准许赌赙的城市
13. Not legally repressed:
不受法律约束的：
open drug trafficking.
合法的毒品交易
14. Susceptible; vulnerable:
对…敏感的，易受攻击的：
open to interpretation; an issue that is open to question.
对翻译较敏感的；易引起争议的提议
15. Willing to consider or deal with:
待考虑或解决的：
open to suggestions.
广纳建议
16. Available; obtainable:
可利用的；可取得的：
The job is still open.
职位仍然空缺着
17. Available for use:
随时可用的：
an open account; the only course open to us.
活期的资金；我们唯一可用的途径
18. Ready to transact business:
营业中的：
The store is open.
这家商店正在营业
19. Not engaged or filled:
空闲的，未满的：
has an open hour for emergency cases.
有一个小时空闲处理紧急事件
20. Not yet decided; subject to further thought:
悬而未决的，仍需要考虑的：
an open question.
悬而未决的问题
21. Characterized by lack of pretense or reserve; candid:
毫无保留的，坦率的：
Please be open with me.See Synonyms at frank 1
请对我坦白参见 frank1
22. Free of prejudice; receptive to new ideas and arguments:
没有偏见的：心平气和地对待新观点和争论的：
She listened to the proposal with an open mind.
她以无私的态度听取这项方案
23. Generous:
大方的，慷慨的：
He is very open with his time.
他非常乐意贡献自己的时间
24. Printing
【印刷术】
25. Widely spaced or leaded. Used of typeset or other printed matter.
有空格的，有间隔的：行距宽的，用于打字或打印
26. Having constituent elements separated by a space in writing or printing:
字间有空格的：在写作或打印中字间有空格的：
The word sea gull is an open compound.
这个字海欧 是中间有空格的复合词
27. Music
【音乐】
28. Not stopped by a finger. Used of a string or hole of an instrument.
不用手指按压的：不用手指按住而通过弦或小孔结束的
29. Produced by an unstopped string or hole or without the use of slides, valves, or keys:
空弦所产生的：
an open note on a trumpet.
小喇叭的空音
30. Played without a mute:
不以弱音演奏的：
an open wind instrument.
不以弱音演奏的乐器
31. Articulated with the tongue in a low position, as the vowel in far.
以低音调发音的，象far 中的元音
32. Ending in a vowel or diphthong:
以元音或双元音结尾的：
an open syllable.
以元音结尾的音节
33. Designating a method of punctuation in which commas and other marks are used sparingly.
少用标点符号的：在不引起混淆的情况下可能时省略逗号和其他符号的
34. Being in operation; live:
运转中的，活生生的：
an open microphone.
正使用的麦克风
35. New England Clear. Used of weather.See Regional Note at fair 1
【新英格兰】 用于表示天气晴朗的参见 fair1
36. Electricity Containing a gap across which electricity cannot pass.
【电学】 短路的
37. Mathematics
【数学】
38. Of or relating to an interval containing neither of its endpoints.
不包含前后两点的
39. Of, relating to, or being a set such that at least one neighborhood of every point in the set is within the set.
开集合的：指集合中的每一个点都有一个邻域，而且这些点全部在此集合中的
40. Of, relating to, or being a set that is the complement of a closed set.
余集合的
open的词性：
v.（动词）
open的词性：
v.tr.（及物动词）
41. To release from a closed or fastened position.
打开：从关闭的或固定的位置上移开
42. To remove obstructions from; clear.
除去，除掉，弄干净
43. To make or force an opening in:
切开，使畅通：
open an old wound.
切开旧伤口
44. To form spaces or gaps between:
区隔，间隔：
soldiers opening ranks.
士兵们错开队伍
45. To remove the cover, cork, or lid from.
从…上揭开盖子，瓶塞
46. To remove the wrapping from; undo.
打开…的包装；解开
47. To unfold so that the inner parts are displayed; spread out:
打开：打开使里面的内容表现出来；传播开来：
open a newspaper.
摊开或铺开一张报纸
48. To get (something) going; initiate:
举行，推动：
open a campaign.
举行一场运动
49. To commence the operation of:
开张，营业：
open a new business.
开始新的事业
50. Games To begin (the action in a game of cards) by making the first bid, placing the first bet, or playing the first lead.
【游戏】 叫牌，下财注，先出牌：在一种游戏的一圈或一盘的开始，叫牌，下财注，或先出牌
51. To make available for use:
开放：
opened the area to commercial development.
开放这个区域作为商业发展之用
52. To make more responsive or understanding.
使（心灵）更易接受…
53. To reveal the secrets of; bare.
泄密，表示心意
54. Law To recall (an order or a judgment) for a reexamination of its merits.
【法律】 撤消：（命令、审判）以便重新评估其是非曲折
open的词性：
v.intr.（不及物动词）
55. To become open:
使打开：
The door opened slowly.
这扇门慢慢地打开了
56. To draw apart; separate:
分开，分离：
The wound opened under pressure.
伤口因受力裂开了
57. To spread apart; unfold.
打开，散开
58. To come into view; become revealed:
展示，显现：
The plain opened before us.
一望无际的平原展现在我们面前
59. To become receptive or understanding.
（心灵）变得更容易接受…
60. To begin; commence:
开始，创始：
The meeting opened with a call to order.
这个会议是为了讨论社会治安而召开
61. To begin business or operation.
开始做生意或开始生产
62. To give the first public performance:
首次公开演出：
The play opens next week.
这出戏剧将于下星期公开演出
63. Games To make a bid, bet, or lead in starting a game of cards.
【游戏】 第一个叫牌，第一个下注，第一个打牌
64. To give access:
通往：
The room opens onto a terrace.
这个房间通往阳台
open的词性：
n.（名词）
65. An unobstructed area of land or water.
不设防的疆域或水域
66. The outdoors:
户外：
camping in the open.
露天宿营
67. An undisguised or unconcealed state:
坦然；公开：
brought the problem out into the open.
把这个问题拿出公开讨论
68. Sports Games A tournament or contest in which both professional and amateur players may participate.
【体育运动】 【游戏】 公开赛：专业和业余选手均可参加的比赛或锦标赛
69. To spread out; unfold:
展开；摊开：
A green valley opened up before us.
青翠的山谷展现在我们眼前
70. To begin operation:
开始运作：
The new store opens up next month.
这家新商店将在下个月开张
71. To begin firing:
开战；开火：
The artillery opened up at dawn.
炮兵于拂晓时开口
72. Informal To speak freely and candidly:
【非正式用语】 直言不讳：
At last the frightened witness opened up and told the truth.
这名吓坏了的目击者终于直言不讳说出了事实
73. To make an opening in by cutting:
切开：
The surgeon opened up the patient's chest.
这名外科医生切开了病人的胸部
74. To make available or accessible:
使可利用；使通往：
open up new markets.
打开了新的市场
75. Informal To accelerate. Used of a motor vehicle.
【非正式用语】 （用于汽车）加速
76. To begin firing on.
开火
77. To become aware of the truth of a situation.
使看清事实真相
open的词源：
78. Middle English
中古英语
79. from Old English * see upo
源自 古英语 *参见 upo
open的词性：
adv.（副词）
open的词性：
n.（名词）