简明英汉词典

 open up
v.
展开, 打开, 开发, 揭露, 开始

美国传统词典[双解]

 open
o.pen
AHD:[?“p…n]
D.J.[6oup*n]
K.K.[6op*n]
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
v.（动词）
o.pened， o.pen.ing， o.pens
v.tr.（及物动词）

(1)

 To release from a closed or fastened position.
打开：从关闭的或固定的位置上移开

(2)

 To remove obstructions from; clear.
除去，除掉，弄干净

(3)

 To make or force an opening in:
切开，使畅通：
open an old wound.
切开旧伤口

(4)

 To form spaces or gaps between:
区隔，间隔：
soldiers opening ranks.
士兵们错开队伍

(5)

 To remove the cover, cork, or lid from.
从…上揭开盖子，瓶塞

(6)

 To remove the wrapping from; undo.
打开…的包装；解开

(7)

 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

(8)

 To get (something) going; initiate:
举行，推动：
open a campaign.
举行一场运动

(9)

 To commence the operation of:
开张，营业：
open a new business.
开始新的事业

(10)

 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

(11)

 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

(12)

 To make more responsive or understanding.
使（心灵）更易接受…

(13)

 To reveal the secrets of; bare.
泄密，表示心意

(14)

 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
v.intr.（不及物动词）

(1)

 To become open:
使打开：
The door opened slowly.
这扇门慢慢地打开了

(2)

 To draw apart; separate:
分开，分离：
The wound opened under pressure.
伤口因受力裂开了

(3)

 To spread apart; unfold.
打开，散开

(4)

 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

(5)

 To become receptive or understanding.
（心灵）变得更容易接受…

(6)

 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

(7)

 To begin business or operation.
开始做生意或开始生产

(8)

 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

(9)

 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

(10)

 To give access:
通往：
The room opens onto a terrace.
这个房间通往阳台
n.（名词）

(1)

 An unobstructed area of land or water.
不设防的疆域或水域

(2)

 The outdoors:
户外：
camping in the open.
露天宿营

(3)

 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

(4)

 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

常用词组

 open up

(1)

 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

(2)

 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

(3)

 To begin firing:
开战；开火：
The artillery opened up at dawn.
炮兵于拂晓时开口

(4)

 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

(5)

 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

(6)

 To make available or accessible:
使可利用；使通往：
open up new markets.
打开了新的市场

(7)

 Informal To accelerate. Used of a motor vehicle.
【非正式用语】 （用于汽车）加速

习惯用语

 open fire
To begin firing on.
开火

open (one's) eyes
To become aware of the truth of a situation.
使看清事实真相

语源

(1)

 Middle English
中古英语

(2)

 from Old English * see upo
源自 古英语 *参见 upo

继承用法

 o“penly
adv.（副词）

o“penness
n.（名词）

现代英汉词典

 open
[5EJpEn]
adj.

(1)

 开着的
She's not asleep; her eyes are open.
她没睡着，她的眼睛是睁着的。

(2)

 开阔的；空旷的
open fields
空旷的田野
Open spaces give the suburbs an edge over the city.
宽阔空旷是郊区胜过城市之处。

(3)

 不冻的；畅通的
The lake is open.
这个湖是不冻的。

(4)

 敞开的；露天的
an open car
敞篷车
There is an open market in the village.
村里有一个露天市场。

(5)

 宽松的
an open shirt
宽松的衫衣

(6)

 尚无定论的；未 解决的
an open question
尚未解决的问题
The match seems to be an open one.
这场比赛看来胜负未定。

(7)

 开通的，开明的
an open mind
豁达的心胸；虚心

(8)

 空缺的
The job is still open.
这工作仍无人做。
The job is still open.
这个职位还空着。

(9)

 公开的；公然的；不隐瞒的
an open secret
公开的秘密

(10)

 坦诚的；直率的
Let's be open with each other.
让我们彼此坦诚相见吧。
Let's be open with each other.
让我们坦诚相见吧。

(11)

 正在营业的
The bank isn't open yet.
银行还未开门（营业）。
More and more shops on the main street downtown keep open beyond midnight.
市中心主要街道上越来越多的商店营业到半夜以后。

(12)

 可使用的
She kept her bank account open.
她的银行帐户随时可以使用。

(13)

 公开的；公共的
an open competition
公开赛；公开的竞争

(14)

 铺开的，展开的； 开放的
The exhibition is open on weekends.
展览会每逢周末开放。
The flowers are open.
鲜花怒放。
The town gardens must be open to the public free of charge.
城里的花园应该对公众免费开放。
The river is open in spring.
这条河春季里能航行。

(15)

 未划线的（支票）

词性变化

 open
vt., vi.

(1)

 开；张开；开出
Open your eyes.
睁开你的眼睛。
The wound opened under the strain and blood oozed out.
"伤口崩开了,血流了出来。"
The harbour lights opened in the distance.
在远处港口的灯光看得见了。

(2)

 打开；翻开
This experience opened a new prospect to his mind.
这一经验为他的思想开拓了新的境界。
Open your book at Page twenty-one.
把书翻到第二十一页。
He opened a can of beer and drank it.
"他打开了一罐啤酒,把它喝了。"

(3)

 （常与into, on to连用）通向，朝向
opened on to a patio
朝向院子的
The meeting-room opens into a corridor.
会议室通走廊。
The front door of the house opens on the street.
这幢房子的前门通大街。

(4)

 （常与with连用）开始；（使）展开
They did not open on the subject at the top conference.
在这次高级会议上他们没有谈及那个问题。
The minister opened upon the fiscal question.
部长开始谈起财政问题。
The programme opened with the chorus of the old artists.
节目以老艺术家们的合唱开始。

(5)

 （使）开幕；（使）开业
to open a new hospital
（新）医院开张营业
The shops usually open at nine o'clock.
商店一般在九点钟开始营业。

(6)

 开通；发展
The new road will soon be opened to traffic.
这条新马路不久就可通车。
A few big companies have opened offices abroad in order to circumvent our tax laws.
"一些大公司在国外设立办事处,以躲避我国的税法。"
Special zones for developing high and new advanced technology have been opened up in places where conditions permit.
在条件许可的地方都开辟了发展高新技术的特区。
His understanding opened with the years.
随着年龄的增长他的理解力也发展了。

习惯用语

 open fire
开火

词性变化

 open
n.
（前面与the连用）户外，野外

习惯用语

 in(to) the open
公开，揭开（秘密等）

常用词组

 open out

(1)

 变宽，变宽大

(2)

 畅谈；直言

(3)

 发展成熟

open up

(1)

 打开，解开；打开锁

(2)

 开业，开始营业

(3)

 自由无拘束地交谈

(4)

 开枪，开火

现代英汉综合大辞典

 open
[5EupEn]
adj.

(1)

 开着的

(2)

 开阔的

(3)

 开始工作的; 活动着的; (戏院)开演着的

(4)

 开放的; 分享的

(5)

 公开的; 坦率的

(6)

 未决定的

(7)

 散开的; 稀疏的

(8)

 无冰冻的; (气候)温和的

(9)

 【军】不设防的

(10)

 【音】不用指按的; 开键的; 空弦的

(11)

 【医】(大便)畅通的

(12)

 [美]无法律限制的; (赌场等)不受禁止的; 不征收关税的; (港)自由的

(13)

 易受...的(to)

(14)

 【刷】行距宽的

(15)

 【航海】无雾的

(16)

 多孔的; 有网眼的
an open window
开着的窗户
an open field
空旷的田野
an open letter
公开信
an open manner
直率的态度
an open city
不设防城市
an open port
不冻港; 自由港
open door
门户开放
be open to an attack
易受到攻击

词性变化

 open
vt.

(1)

 打[张, 展]开

(2)

 开放; 开始; 开设

(3)

 开发[垦; 辟]

(4)

 揭开; 表明

(5)

 弄松; 疏散开(队形)

(6)

 撤回(判决等)

(7)

 【医】切开; 使畅通

(8)

 【航海】(改变船位)来到看得见...的地方
open a door
开门
open a debate
展开辩论
open a park
开放公园
open a new store
开设一家新商店
We opened a white church to the port.
在左舷方向我们看见一所白色教堂。

open
vi.

(1)

 开; 张[裂, 展, 散]开; 发展

(2)

 开始(谈)

(3)

 【航海】(方向变化的结果)看得见; 展现

(4)

 (牌戏中)开始叫[出]牌

(5)

 通向; (商店)开业

(6)

 说明; 说出; 吐露真情

(7)

 翻开; 切开

(8)

 开始射击
The door opens to the south.
这个门朝南开。
The harbour lights opened.
港口的灯光看得见了。
The ranks opened.
队伍散开了。

open
n.

(1)

 旷野; 无垠大海

(2)

 公开

(3)

 孔穴

(4)

 空缺; 机会
sleep in the open
露宿
All of his dealings are in the open.
他的一切交易往来都是公开的。

继承用法

 open-air
[`EJpLn`eE(r)]
adj.
户外的

open-and-shut
adj.
[美俚]一望而知的; 极简单或明显的

open-armed
[`EJpLn`B:md]
adj.
伸开两臂的; 衷心的, 欢迎的

open-book
adj.
开卷的

open-cast
adj.
露天开采的

词性变化

 open
n.
露天矿

open-channel
n.
广播教育手段

open-cover
n.
预约保险合同open-cut
adj.,adv.
露天开采的[地]
n.
露天开采的矿山

open-door
[`EJpLn`dR:(r)]
adj.
门户开放主义的

open-doored
adj.
好客的

open-eared
[`EJpLn`IEd]
adj.
注意倾听的

open-end
[`EJpLn`end]
adj.
无限制的; 可广泛解释的

open-ended
adj.

(1)

 =open-end

(2)

 两端没有封闭的

(3)

 威力无限制的

(4)

 【自】可扩充的

open-eyed
adj.

(1)

 惊醒的; 小心的; 机警的; 眼光敏锐的

(2)

 惊讶的; 骇然张目的

(3)

 公然的; 坦白的

open-faced
[`EJpLn`feIst]
adj.

(1)

 老实相的

(2)

 面上无遮盖物的

(3)

 表面只罩玻璃的

(4)

 (三明治等)有馅但无上面一层的

open-handed
adj.
慷慨好施的

open-hearted
adj.

(1)

 坦白的, 无私的

(2)

 慷慨的

open-hearth
adj.
敞炉的
n.
敞炉

open-jaw
n.
不完全的飞机来回票

open-joint
n.
有间隙接头; (书脊与书封间)凹槽

open-minded
adj.
无偏见的; 虚心的; 能接纳新思想的

open-mouthed
adj.

(1)

 吃惊的

(2)

 张口的

(3)

 唾涎的

(4)

 扰嚷的

(5)

 (容器等)宽口的

open-necked
adj.
颈部开口的

open-pit
adj.
上面暴露的; 稍低于地面的

open-routine
n.
开型程序; 直接插入程序

open-shelf
adj.
开架式的(图书馆)

open-sided
adj.
开边的

open-timbered
adj.
(天花板、屋顶等)露出木头的

open-work
n.

(1)

 网格(状)细工

(2)

 露天采掘

(3)

 透雕细工; 透孔织物

openable
[`EJpLnEbl]
adj.

openly
[5EJpEnlI]
adv.
公开[然]地; 坦[直]率地

openness
[`EJpLnnIs]
n.
公开; 开放; 坦率

习惯用语

 be open to
对...开放的; 易受到, 易招致

be open with sb. about sth.
关于某事对某人毫无隐瞒

break open
砸开

bring out in the open
揭露, 公布出来

come (out) into the open
公开化; 不加保密

in the open
在户[野]外, 明显的; 公开的

lay oneself open to
使自己容易招致...

lay open
打开; 割破; 擦伤; 揭露; 揭发; 阐明

leave oneself wide open
使自己暴露在攻击之下

leave open
未解决; 悬而未决

throw open
突然打开; 大开; 取消对...的限制; 开放

wide open
大开的; 容易受到攻击的; 大开方便之门的

open and above-board
坦率; 光明正大

open into
通往, 通向

open on
通往, 通向

open onto
通往, 通向

open out
开; 张[展]开; 开发[辟]; 展现; 揭示; 直言; 倾吐心事; 打破沉默

open the door to
给...大开方便之门; 给...造成机会

open up
打[展]开; 开办[设]; 开发[辟]; 揭开; 开口(说话), 透露; 开火

open upon
朝向; 俯瞰; 展望[示]; 使人望见...的景色

open with
以...开始

参考词汇
见 frank    

美国传统词典

 open
o.pen
AHD:[?“p…n]
D.J.[6oup*n]
K.K.[6op*n]
adj.

(1)

 Affording unobstructed entrance and exit; not shut or closed.

(2)

 Affording unobstructed passage or view:
open waters; the open countryside.

(3)

 Having no protecting or concealing cover:
an open wound; an open sports car.

(4)

 Completely obvious; blatant:
open disregard of the law.

(5)

 Carried on in full view:
open warfare; open family strife.

(6)

 Not sealed or tied:
an open package.

(7)

 Spread out; unfolded:
an open book.

(8)

 Having interspersed gaps, spaces, or intervals:
open ranks; an open weave.

(9)

 Accessible to all; unrestricted as to participants:
an open competition.

(10)

 Free from limitations, boundaries, or restrictions:
open registration.

(11)

 Enterable by registered voters regardless of political affiliation:
an open primary.

(12)

 Lacking effective regulation:
an open town in which gambling predominated.

(13)

 Not legally repressed:
open drug trafficking.

(14)

 Susceptible; vulnerable:
open to interpretation; an issue that is open to question.

(15)

 Willing to consider or deal with:
open to suggestions.

(16)

 Available; obtainable:
The job is still open.

(17)

 Available for use:
an open account; the only course open to us.

(18)

 Ready to transact business:
The store is open.

(19)

 Not engaged or filled:
has an open hour for emergency cases.

(20)

 Not yet decided; subject to further thought:
an open question.

(21)

 Characterized by lack of pretense or reserve; candid:
Please be open with me.See Synonyms at frank 1

(22)

 Free of prejudice; receptive to new ideas and arguments:
She listened to the proposal with an open mind.

(23)

 Generous:
He is very open with his time.

(24)

 Printing

(25)

 Widely spaced or leaded. Used of typeset or other printed matter.

(26)

 Having constituent elements separated by a space in writing or printing:
The word sea gull is an open compound.

(27)

 Music

(28)

 Not stopped by a finger. Used of a string or hole of an instrument.

(29)

 Produced by an unstopped string or hole or without the use of slides, valves, or keys:
an open note on a trumpet.

(30)

 Played without a mute:
an open wind instrument.

(31)

 Articulated with the tongue in a low position, as the vowel in far.

(32)

 Ending in a vowel or diphthong:
an open syllable.

(33)

 Designating a method of punctuation in which commas and other marks are used sparingly.

(34)

 Being in operation; live:
an open microphone.

(35)

 New England Clear. Used of weather.See Regional Note at fair 1

(36)

 Electricity Containing a gap across which electricity cannot pass.

(37)

 Mathematics

(38)

 Of or relating to an interval containing neither of its endpoints.

(39)

 Of, relating to, or being a set such that at least one neighborhood of every point in the set is within the set.

(40)

 Of, relating to, or being a set that is the complement of a closed set.
v.
o.pened, o.pen.ing, o.pens
v.tr.

(1)

 To release from a closed or fastened position.

(2)

 To remove obstructions from; clear.

(3)

 To make or force an opening in:
open an old wound.

(4)

 To form spaces or gaps between:
soldiers opening ranks.

(5)

 To remove the cover, cork, or lid from.

(6)

 To remove the wrapping from; undo.

(7)

 To unfold so that the inner parts are displayed; spread out:
open a newspaper.

(8)

 To get (something) going; initiate:
open a campaign.

(9)

 To commence the operation of:
open a new business.

(10)

 Games To begin (the action in a game of cards) by making the first bid, placing the first bet, or playing the first lead.

(11)

 To make available for use:
opened the area to commercial development.

(12)

 To make more responsive or understanding.

(13)

 To reveal the secrets of; bare.

(14)

 Law To recall (an order or a judgment) for a reexamination of its merits.
v.intr.

(1)

 To become open:
The door opened slowly.

(2)

 To draw apart; separate:
The wound opened under pressure.

(3)

 To spread apart; unfold.

(4)

 To come into view; become revealed:
The plain opened before us.

(5)

 To become receptive or understanding.

(6)

 To begin; commence:
The meeting opened with a call to order.

(7)

 To begin business or operation.

(8)

 To give the first public performance:
The play opens next week.

(9)

 Games To make a bid, bet, or lead in starting a game of cards.

(10)

 To give access:
The room opens onto a terrace.
n.

(1)

 An unobstructed area of land or water.

(2)

 The outdoors:
camping in the open.

(3)

 An undisguised or unconcealed state:
brought the problem out into the open.

(4)

 Sports Games A tournament or contest in which both professional and amateur players may participate.

常用词组

 open up

(1)

 To spread out; unfold:
A green valley opened up before us.

(2)

 To begin operation:
The new store opens up next month.

(3)

 To begin firing:
The artillery opened up at dawn.

(4)

 Informal To speak freely and candidly:
At last the frightened witness opened up and told the truth.

(5)

 To make an opening in by cutting:
The surgeon opened up the patient's chest.

(6)

 To make available or accessible:
open up new markets.

(7)

 Informal To accelerate. Used of a motor vehicle.

习惯用语

 open fire
To begin firing on.

open (one's) eyes
To become aware of the truth of a situation.

语源

(1)

 Middle English

(2)

 from Old English * see upo

继承用法

 o“penly
adv.

o“penness
n.

英汉船舶大词典

 open up
n.开发,开拓

英汉航海大词典

 open up
vt.开辟,揭开

英汉化学大词典

 open up
vi.开发,现出,开辟

英汉海运大词典

 open up
开启，拆开

英汉计算机大词典

 open up
vi.打开(开发,展现

英汉消防大词典

 open up
【消】①通风<以排出建筑物内的烟和热> ②破拆深入

英汉中医大词典

 open up
n.开辟