the key to (doing) sth
用于表示某事物的关键或解决方法。
Hard work is the key to success.
努力是成功的关键。
关键；决定性因素；要诀；键；按键；图例；符号说明；答案；题解；调；音调；声调；键；销；楔
A small, specially shaped piece of metal used to open or lock a lock, or to start a device such as a car or door.
用来开锁或激活/关闭某物的物体,尤指插入锁孔中的金属片。
An object designed to open and close a lock or to activate or deactivate something, especially a length of metal inserted into a narrow opening on the lock to which it is matched (keyed).
一串小岛中的一个。
One of a string of small islands.
关键位置球员(高大的前锋或后卫)。
A key position player (a tall forward or defender).
插入相应锁中可旋转锁机制的金属装置
metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
用于在机械中连接两个物体(如轴和轮)并保持相对方向的物体。
An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain their relative orientation.
解释关键问题的事物
something crucial for explaining
关键步骤或必要条件。
A crucial step or requirement.
声音的音调
pitch of the voice
用于识别信息的指南。
Senses relating to a guide that identifies information.
修改设备输出的一组特征。
Senses relating to a set of features that modify the output of a device.
构成音乐作品基础的音阶或音组。
A scale or group of pitches constituting the basis of a musical composition.
外观类似钥匙或钥匙环上的钥匙的物品。
Senses of items with visual similarity to a key or group of keys on a keyring.
与颜色相关的含义。
Senses related to colors.
表面粗糙度,或表面保持液态物质(如油漆或胶水)的能力。
The degree of roughness, or the ability of a surface to retain an applied liquid, such as paint or glue.
I lost my house key and had to call a locksmith.
我丢了房门钥匙，不得不叫锁匠。
用法提示：此句中key指开门的金属钥匙。
AI contextual example
She keeps all her keys in a small purse.
她把所有钥匙都放在一个小钱包里。
用法提示：此句中keys是key的复数形式，指多把钥匙。
AI contextual example
The key to the safe is hidden behind the painting.
保险柜的钥匙藏在画后面。
用法提示：此句中key指开启保险柜的钥匙。
AI contextual example
用于表示某事物的关键或解决方法。
Hard work is the key to success.
努力是成功的关键。
指具体的钥匙或抽象的关键。
He gave me the key to his apartment.
他给了我他公寓的钥匙。
用于音乐中描述调式。
The song is written in the key of C major.
这首歌是用C大调写的。
比key更强调不可或缺的要素，多用于物
与key在多数语境可互换，但crucial更强调决定性影响
pivotal更强调中心作用，语气稍强，常用于抽象事物
grammar · medium
易错句子The key of success is hard work.
正确表达The key to success is hard work.
表达“…的关键”时，英语使用介词to，而非中文直译的of。
grammar · medium
易错句子I need key to open the door.
正确表达I need a key to open the door.
可数名词key前需要冠词a或the，中文中常省略，但英语中必须使用冠词。
……的关键
Hard work is the key to success.
努力是成功的关键。
万能钥匙
The janitor has a master key that opens all doors.
门卫有一把万能钥匙，可以打开所有的门。
关键点
Let me summarize the key points of the meeting.
让我总结一下会议的关键点。
关键因素
Price is a key factor in choosing a product.
价格是选择产品时的关键因素。
低调
She prefers a low key lifestyle.
她喜欢低调的生活方式。
关键；钥匙
Hard work is the key to success.
努力工作是成功的关键。
键入；输入
Please key in your password.
请键入你的密码。
以……为依据；参照
We should key off of the latest data.
我们应该参照最新数据。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.