1.钥匙a specially shaped piece of metal used for locking a door, starting a car, etc.
to insert/turn the key in the lock把钥匙插入锁孔；转动锁孔中的钥匙
the car keys汽车钥匙
a bunch of keys一串钥匙
the spare key to the front door前门备用钥匙
We'll have a duplicate key cut(= made) .我们会配一把钥匙。
2.[ususing]关键；要诀a thing that makes you able to understand or achieve sth
The key to success is preparation.成功的关键是准备。
The driver of the car probably holds the key to solving the crime.这位汽车司机很可能掌握侦破这一罪案的关键证据。
The key is , how long can the federal government control the inflation rate?关键在于联邦政府对通货膨胀率的控制能维持多久？
3.（计算机或打字机的）键any of the buttons that you press to operate a computer or typewriter
Press the return key to enter the information.按回车键录入信息。
4.（钢琴或其他乐器的）键any of the wooden or metal parts that you press to play a piano and some other musical instruments
5.调a set of related notes, based on a particular note. Pieces of music are usually written mainly using a particular key
a sonata in the key of E flat major一首降 E 大调奏鸣曲
6.答案；题解a set of answers to exercises or problems
Check your answers in the key at the back of the book.用书后的解答核对答案。
7.（地图或平面图的）符号说明，图例an explanation of the symbols used on a map or plan
1.~ sth (in).~ sth (into sth)用键盘输入；键入to put information into a computer using a keyboard
Key (in) your password.用键盘输入密码。
2.用钥匙划坏（汽车）to deliberately damage a car by scratching it with a key
1.[ubn]最重要的；主要的；关键的most important; essential
the key issue/factor/point关键问题╱因素；要点
He was a key figure in the campaign.他是这场运动的关键人物。
She played a key role in the dispute.她在争论中起着举足轻重的作用。
‘Caution’ is the key word in this situation.在此情形之下，caution 为关键词。
Good communication is key to our success.良好的沟通是我们成功的关键。
His contribution could be key.他的贡献可能是最重要的。
I think refining the compounds in terms of the balance of their activities is really key, but that's not to say that's trivial .
我认为，以平衡药物各项作用的方式来改进化合物的确是关键，但是这并非小事，它需要时间。
The source also said that Danyang Zhao has been low - key, so the matter entirely out of personal growth in the course of a pursuit.
该人士同时表示，赵丹阳向来低调，做这件事完全出于个人成长过程中的一个追求。
A key turning point for the global casino sector took place in 2006 when Macau gaming revenue beat that of the Las Vegas strip.
2006年，澳门博彩业收入超过拉斯维加斯，世界博彩业发生了重要转折。
This remark provides the key to the problem, how much truth there is in solipsism.
这一段话为解决唯我论中有多少真理的问题提供了钥匙。
You could say that I ordered takeout with such frequency that my dialing finger practically started to evolve into the shape of a phone key.
可以说，频繁按动叫外卖的电话号码，我的手指也快变成电话的按键了。
Linton, who had been conveyed up to the little parlour soon after I left, was terrified into fetching the key before his father re-ascended.
林惇在我走后就被搬到楼上小客厅里去，他被吓得趁他父亲还没有再上楼，就拿到了钥匙。
Obama has set a goal of doubling U. S. exports to $3. 14 trillion a year by the end of 2014 and he said Asia is key to that goal.
奥巴马制定了在2014年底将美国出口额增加一倍到3.14万亿，而亚洲是完成这一策略的关键。
The key to delegating is recognizing that your ability to do things perfectly isn't as highly valued as you think it is.
在委派中关键要承认自己把事情做到完美的能力在别人眼里看来没有自认为那么重要。
Note that this name is separate from the name used to identify the key in the key container specified in step 1.
请注意，此名称不同于用来标识步骤1中指定的密钥容器中的密钥的名称。
The subjectivity was the key concept of traditional aesthetics. It was that rationality was concretely embodied in literature texts.
主体性是传统美学的核心概念，它是理性在文学文本中的具体表现。
The key is, to not think of death as an end, but as more of a very effective way to cut down on your expenses.
关键是，不要把死亡当作一种终结，而是从更积极的角度去把它当作一种削减开销的手段。
This indicated that the man before whom that door had just opened had not a hook but a key.
这说明这个开门的人用的不是弯钩，而是一把钥匙。
"Almost finished, " he said cheerfully. And then his voice dropped into a lower key. "My dad made good on his promise last spring. "
“快完工了，”他兴奋地说着。之后他的声音突然降了八度音。“这个春天那个承诺，我爸没有食言。”
Camshaft is one of the key components of the Engine, and its contour accuracy has a direct impact on performance and life of the engine.
凸轮轴是发动机的关键零部件之一，其轮廓精度直接影响到发动机的性能和寿命。
Same-store sales are sales at stores open at least a year and are considered a key indicator of a retailer's health.
同店销售额只过去至少一年中开得店面的销售额，它作为反应零售商健康状况的重要指标。
One of the key elements of any network environment is to be able to identify what is on your network.
对于所有的网络环境，都可以确定一些关键的要素，其中之一是网络的运行状况。
Today, the object I bring with me is a key chain. Although it appears to be quite a common object, it has a very particular meaning to me.
今天我带来的东西是一个小钥匙链，虽然它看起来是一件很普通的东西，但对我来说，意义重大。
"One of the key drivers of that growth is going to be broadband penetration" , Zwillenberg said.
“对这种增长的主要动力之一将是宽带普及渗透”，Zwillenberg说。
Mr Hsuan said key advantages for the company were its low production costs and a strong record in research and development.
宣建生表示，公司的主要优势在于生产成本较低和研发方面的优良记录。
Do not get discouraged; it may be the last key in the bunch that opens the door. --Stansifer.
你不要失望，也许最后的一把钥匙，它才是替你开了门。
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