Red is a hot color; Americans often use it to express heat.
red figure 赤字
red ink 赤字
red balance 赤字差额
red cent 一分钱
red gold 纯金
red tip on stock market 指股票市场的最新情报
red ruin 火灾
red battle 血战
red sky 彩霞
red-hot 重要的，需求很大的
His team is red-hot favorites.
他的队伍是夺冠大热门
They may say they are red-hot about something unfair, when they are red-hot they are very angry about something.
The small hot tasting peppers found in many Mexican foods are called Red Hots for their color and their fiery taste.
Fast loud music is popular with many people. They may say the music is red hot. Especially the kind called Dixieland Jazz.
Red-letter days（可纪念的、喜庆的
The day I graduated was a red-letter day for my mum; she still talks about it today!
我毕业那天对我妈来说是非常重要的日子。至今，她还一直谈论着那天。
Roll out the red carpet for somebody
Red carpet的意思是红地毯，而红地毯曾经是专为迎接皇室或国家领导的必备品，所以铺上红地毯的意思是“隆重热烈欢迎某人，给与最高待遇”
To see red
He saw red when a truck dented his new car.
看到卡车撞到他的新车,他火冒三丈。
Catch sb. red-handed 當場逮住某人做壞事
The shop owner caught the thief red-handed and sent him to the police.
店家當場逮到正在行竊的小偷並將他交給了警察。
Paint the town red 出門狂歡，狂歡作樂
To celebrate Amy’s 18th birthday, we’re gonna paint the town red tonight!
為了慶祝 Amy 的 18 歲生日，我們今晚要出門狂歡！
Like a red rag to a bull 使人极其愤怒的
For Claire, the suggestion of a women-only committee was like a red rag to a bull.
设立仅有女性的委员会的提议彻底激怒了克莱尔。
red herring 熏青鱼, 转移注意力的话
red tape 指手续繁杂,办事拖拉,不讲实际的坏风气
red alert 表空袭
red-blooded 精力充沛的, 活跃的
red-eyed 红眼的, 眼圈哭红的
Pink is a lighter kind of red. People sometimes say they are in the pink when they are in good health.
The expression was first used in America at the beginning of the 20th century. It probably comes from the fact that many babies are born with a nice pink color that shows that they are in good health.
Tickled pink 心花怒放，樂不可支
Ariel was tickled pink after being complimented on her outfit by her crush.
Ariel 被她暗戀對象稱讚穿搭之後樂不可支。
Baby pink 浅粉色
See pink elephants
烂醉如泥的、喝醉的状态、神志不清的状态
When I started seeing pink elephants, I knew I had to stop drinking so much.
当我开始出现幻觉时，我知道我必须停止酗酒了。
pink slip 解雇通知书
pink-collar workers 粉领阶层，指职业妇女群体
Blue is a cool color.
In a blue mood 心情忧郁
have the blues
The traditional Blues Music in the United States is the opposite of Red Hot Music. Blues is slow, sad, and sorrowful.
Duke Ellington and his orchestra recorded a famous song Mood Indigo about the deep blue color indigo. In the words of the song, "You ain't been blue, till you've had that Mood Indigo."
Someone who is blue is very sad.You are blue in the face 徒劳无功
Once in a blue moon 非常罕見
He only goes to the nightclub once in a blue moon.他很少會去夜店。
a blue Mon 倒霉的周一
a blue joke 下流的笑话
a bolt from the blue 晴天霹雳
blue blood贵族血统
blue-collar 蓝领阶级的, 工人阶级的
blue-eyed boy 宠儿；红人
the boys in blue 警察
blue-collar workers 从事体力劳动的工人
blue-ribbon 头等的, 第一流的
blue fear 极度的惊恐
blue-sky 无价值的, 不保险的
blue-sky market 露天市场
blue sky bargaining 漫天讨价
out of the blue 出乎意料；突然
drink till all's blue 一醉方休
Talk a blue streak 不停地说话
The woman in the hospital bed next to me talked a blue streak all day. I don’t know where she got the energy.
我病床旁的那个女人总是滔滔不绝，讲个不停。我不知道她哪来那么多能量的。
A blue outlook 悲观的人生观
Mans’ weak will and uncontrollable destiny form her blue outlook on life.
人的意志力量的脆弱、命运的深不可测构成了她悲观的人生观。
Blue pencil 修改、删除、校正、编辑
They had to accept the blue pencil of the censor.
他们不得不接受检查员的修改。
blue moon 不可能或稀有的时期或事情
blue film 色情电影
The color green is natural for trees and grass. But it is an unnatural color for humans.
look green: 脸色不好（苍白）
A person who has a sick feeling stomach may say she feels a little green. A passenger on a boat who is feeling very sick from high waves may look very green.
green eyed 眼红 嫉妒 monster
Sometimes a person may be upset because he does not have something as nice as a friend has, like a fast new car, that person may say he is green with envy.
the green stuff 美钞
green power 金钱的力量或财团
green stamp 指美国救济补助票
green sheet指政府预算明细比较表
green pound 绿色英镑
Some people are green with envy because a friend has more dollars or greenbacks. Dollars are called greenbacks because that is the color of the backside of the paper money.
Green thumb / green fingers 園藝技巧精湛
green as grass 幼稚的
green hand新手
greenhorn 指没有工作经验的人,生手
grey hand老手
give sb/sth the green light 准许
green bean cake 绿豆糕
green meat 鲜肉
green food 绿色食品
green channel 绿色通道（办证快捷通道）
The grass is (always) greener on the other side (of the fence) 这山望着那山高
black lie 用心险恶的谎言
blackmail 勒索
black art 妖术, 魔法
black taxi 黑车
black whistle 黑哨
black tea 红茶
Black letter days 倒霉日
People describe a day in which everything goes wrong as a black day. The day of a major tragedy is remembered as a black day.
Black Friday 耶稣受难日
Black dog 忧郁的人
black market /money 黑市/钱
A black list 黑名单 is illegal now, but at one time some businesses refused to employ people who are on a black list for belonging to unpopular organizations.
In the black
指人或者一个组织在财政方面有盈利、赚钱
In the red / be in red 赤字、亏损
We've managed to stay in the black for over a year now.
现在我们已保持了一年多的盈利状态。
Black and white
表示一种考虑问题的方式，非黑即白的
Black and White 白纸黑字
She saw things in black and white.
她总是用简单绝对的眼光看待事物。
call white black / call black white 混淆是非
Black and blue
鼻青脸肿、遍体鳞伤、青一块紫一块
black eye (被打成的)青肿眼眶
Whenever she refused, he'd beat her black and blue.
只要她拒绝他，他就会把她打得青一块紫一块
The pot calls the kettle black
五十步笑百步
A: I'm tired of you always wearing my clothing!
B: Aren't you the pot calling the kettle black? You're wearing my pants right now!
A：我讨厌你老穿我的衣服。
B：你不是在犯同样的错误？你穿着我的裤子！
Black sheep 害群之马
Black leg 骗子
blacksmith 铁匠
black as skillet 黑如煮锅
black as night 漆黑一片
black tie 黑领结；小礼服
be in a black mood 阴郁的,情绪低落的
a black look 恶狠狠的瞪
paint sb black 说某人坏话
black-hearted 黑心肠的
blackball sb 反驳
“动力减退”
A Brownout is an expression for a reduction in electric power. Brownouts happen when there is too much demand for electricity. The electric system is unable to offer all the power needed in an area.
in a brown study 呆想, 默想, 沉思
brown sugar 红糖
brown goods 棕色货物，指电视、录音机、音响等外壳为棕色的电子产品。
do it up brown 把什么作得尽善尽美
“灯火管制”
Blackouts were common during World War II. Officials would order all lights in a city turned off to make it difficult for enemy planes to find a target in the dark of night.
Black out 熄灭，昏厥
White对多数中国人和西方人来说，白色所引起的联想是有些相近的，例如洁白purity、纯洁innocence
off white 灰白色
ivory white 象牙白
oyster white 乳白色
snow white 雪白色
white money 银币
The white way 白光大道
white coffee 牛奶咖啡
white fear 胆怯
white pollution 白色污染
white paper 白皮书
white heat 白热化
white agriculture 白色农业
white collar workers 脑力劳动者
a white lie 善意的谎言
White war 比喻“不流血的战争，没有硝烟的战争”，常指“经济竞争”
We attended a wonderful speech on the white war made by a famous professor.
我们听了一位著名教授所作的关于经济战的精彩演讲
Raise/wave /show a white flag 投降
After we captured them, they had to raise a white flag.
当我们抓住他们后，他们不得不举手投降。
White sale 大减价（尤指床单，枕套等白织物）
We always pick up some bargains at the January white sale.
我们常在一月份纺织品减价出售时买些毛巾、床单等用品。
White elephant 无用的累赘物，即“华而不实的”。
The venture has been widely dismissed as a $234 million white elephant.
普遍认为那个2.34亿美元的风险投资华而不实
A white day “吉利的日子、黄道吉日、情人节”等
Please choose a white day for your wedding.
请为你的婚礼选择一个黄道吉日吧。
White night “不眠之夜、失眠的晚上
It's another white night because of his words in the daytime.
由于他白天说的话，我又度过了一个不眠之夜。
White crow 指“罕见的事物、稀有的事物”
This error is white crow.
这个错误是非常罕见的。
A white heart “大好人”
He was pure of spirit and had a white heart.
他拥有纯洁的灵魂和高尚的心。
White as a sheet 苍白如纸，形容某人很憔悴
When he returned, he was white as a sheet and could hardly speak.
他回来时脸色煞白，一句话都说不出来。
grey matter [口]头脑
grey collar 灰领工人，服务行业职工
grey mare 胜过丈夫的妻子
grey market 半黑市
gray collar workers 服务行业的人员
grey area 灰色地区（指失业严重地区）
gray income 灰色收入
yellow streak 胆怯
yellow-belly 胆小，懦弱
yellow-covered 表面黄色的,廉价的,无用的
yellow-dog 可耻的
I dislike Mike, for he is a yellow dog.
我讨厌迈克，他是个卑鄙小人。
Yellow pages 黄页，即分类商业电话号码簿。
Yellow journalism 指夸张或耸人听闻的报章报道
Many magazines use yellow journalism to sell copies.
许多杂志用哗众取宠办报作风来增加销售量
A golden opportunity 千载难逢的机会
Golden boy 受人喜爱的男孩、有成就的男人。
purple with rage 非常生氣
She’s turned purple in the face.她臉都氣到漲紅了。
with a purple passion 充滿某種情感、情緒的
After my roommate and I had a huge fight, I think she hates me with a purple passion.在我室友跟我大吵一架之後，我覺得她恨死我了。
purple patch 一連串的成功
大多是用在英式英文喔！此外，這個片語滿常用在球賽或比賽中，如果有球員或隊伍不斷得分或獲得勝利，就可以用這個片語形容：
Nobody would’ve expected that they would hit a purple patch in this match.（沒有人預料到他們在這場聯賽中會獲勝。）
purple prose 詞句華麗、刻意堆疊的文章
born to the purple 出身貴族的，有皇室身分的
marry into the purple 与皇室或贵族联姻
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