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grey + noun
grey作形容词时，通常放在名词前修饰。
He wore a grey suit.
他穿了一套灰色西装。
灰色的
先理解核心含义，再看它在真实句子里的用法。
灰色的
of the colour grey
He wore a grey suit.
他穿了一套灰色西装。
英联邦标准拼写,同gray。
Commonwealth standard spelling of gray.
The sky was grey and looked like rain.
天空灰蒙蒙的，看起来要下雨了。
She wore a grey coat to the meeting.
她穿了一件灰色外套去开会。
His hair is starting to turn grey.
他的头发开始变灰白了。
grey作形容词时，通常放在名词前修饰。
He wore a grey suit.
他穿了一套灰色西装。
也可用go grey，但较口语化。
Her hair turned grey early.
她的头发很早就变白了。
grey作名词时，表示灰色这种颜色。
The room was decorated in various shades of grey.
房间用各种深浅不同的灰色装饰。
Not this
The sky is grey colour.
Use this
The sky is grey.
在英语中，描述颜色时直接用形容词grey，无需加colour，因为grey本身已表示颜色。中文直译的“灰色”在英语中结构不同。
Not this
His hair is graying.
Use this
His hair is greying.
Grey的现在分词是greying，不是graying。注意英式拼写中保留e，而美式拼写graying对应的是gray。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
白发
He has grey hair.
他头发灰白了。
灰色的天空
The sky is grey today.
今天天空灰蒙蒙的。
灰色地带
This is a grey area in the law.
这是法律上的灰色地带。
变成灰色
His hair turned grey early.
他的头发早早变白了。
灰色西装
He wore a grey suit to the meeting.
他穿了一套灰色西装去开会。
灰质
The brain contains grey matter.
大脑含有灰质。
灰色地带
The legality of the new policy is a grey area.
新政策的合法性是一个灰色地带。
灰质；智力
You need to use your grey matter to solve this puzzle.
你需要动脑筋来解决这个谜题。
灰色是新的黑色。
A popular fashion phrase meaning grey has become as essential as black.
一个流行的时尚短语，意思是灰色已经变得和黑色一样重要。
我有五十度灰。
A line from the book and movie 'Fifty Shades of Grey', said by Christian Grey, implying he is complex and not easily defined.
来自小说和电影《五十度灰》中的一句台词，由克里斯蒂安·格雷说出口，暗示他复杂且不易定义。
Use grey naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
灰色grey，联想‘灰蒙蒙’的天空，g像灰色云层，ray是微光。
中性或正式语境，常用于描述颜色、天气或情绪。多用于文学或正式写作，但口语中也常用。注：通常指中性灰色，不强调感情色彩。
grey 作为形容词时，可用在系动词后作表语，或直接修饰名词作定语。
Dictionary facts from ECDICT, WIKTIONARY.