1
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。
钥匙
keys — plural of key
先理解核心含义，再看它在真实句子里的用法。
钥匙
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.
Hard work is the key to success.
努力是成功的关键。
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
I lost my house key and had to call a locksmith.
我丢了房门钥匙，不得不叫锁匠。
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。
AI contextual example
The key to the safe is hidden behind the painting.
保险柜的钥匙藏在画后面。
AI contextual example
the key to development is economic integration
发展的关键是经济一体化
WordNet
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。
Not this
The key of success is hard work.
Use this
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。
Not this
I need key to open the door.
Use this
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。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
……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。
Use keys naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
钥匙是开锁的关键，关键就是钥匙。
释义为‘钥匙’时，语域中性，通常用于日常生活场景，如开门、锁门等。
可数名词；常与介词 to 或 for 连用
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.