1. 蓝色的，蔚蓝的　 having the colour of a clear sky or the sea on a sunny day
2. P 沮丧的，忧郁的　 sad; depressed

　dark ～　深蓝
　pale ～　浅蓝
　～ baby　青紫婴儿
　～ background　蔚蓝的背景
　～ bedcover　蓝色床罩
　～ blood　名门出身
　～ book　蓝皮书
　～ box　蓝盒子
　～ button　交易所的低级职员
　～ car　蓝色的汽车
　～ cheese　蓝奶酪
　～ coat　蓝色外衣
　～ dahlia　稀罕物
　～ dish　蓝盘子
　～ film　色情电影
　～ flags　蓝旗
　～ flame　蓝色火焰
　～ funk　极端的恐惧
　～ joke　低级趣味的笑话
　～ language　下流语言
　～ law　蓝色法规
　～ line　蓝边
　～ Monday　烦闷（相对于星期日的欢乐而言）
　～ paint　蓝颜料
　～ ribbon　一等奖
　～ silk dress　蓝色丝绸服装
　～ sky　蓝天
　～ song　惆怅之歌
　～ stocking　女学者；才女
　～ story　下流故事
　～ sweater　蓝色毛衣
　～ talk　淫秽之谈
　～ team　蓝队
　～ umbrella　蓝色的伞
　～ water　大海，沧海
　～ whale　蓝鲸
　～ wool　蓝毛线
　beat black and ～　把…打得青一块紫一块
　fall ～　闷闷不乐
　look ～　看起来挺忧愁
　turn ～ in the face　精疲力竭
　～ from the cold　冻得发紫
　～ in the face　脸色发紫
　～ with cold　冻得发青

　The clear water mirrored the blue sky.　清澈的水面倒映出蓝色的天空。
　The blue sky belongs equally to us all.　蓝天为世人所共有。
　White clouds swam in the blue sky.　白云在蓝天上飘浮。
　The Monument to the People's Heroes stands sharp against the blue sky.　在蓝天的衬托下人民英雄纪念碑显得格外清晰。
　Red flags stand out brightly, set against the blue sky.　红旗在蓝天的映衬下显得分外鲜艳。
　The mountain is relieved against the blue sky.　在蓝天的映衬下，这座山轮廓分明。
　He saw the grey summit of the mountain against a brilliant background of blue sky.　他看到在明亮的蔚蓝天空的背景下的灰色山峰。
　The sea, blue and still, was spread before us.　蓝色平静的大海展现在我们面前。
　Put the potatoes in the blue dish.　把土豆放到那只蓝盘子中。
　The white plate is banded with a blue line round the edge.　白盘子加了一圈蓝边。
　The blue car overtook ours.　那辆蓝色的汽车超过我们的车子。
　The blue whale is the world's largest living animal.　蓝鲸是世界上最大的动物。
　Join the blue wool on the end of the gold pattern and work the same stitches into the back.　在这金制图案边缘织上蓝毛线，在背面也用同样的方法来织。
　This light blue sweater becomes her very well.　她适于穿这件浅蓝色毛衣。
　Angela is modelling an attractive blue silk dress.　安吉拉做时装模特儿向顾客展示一种漂亮的蓝色丝绸服装。
　The curtains have white flowers on a blue ground.　窗帘是蓝底白花的。
　I asked the shop assistant to measure off two metres of blue corduroy for me.　我叫营业员给我量两米蓝灯芯绒。
　The yellow curtains contrast with the blue bedcover.　黄色窗帘与蓝色床罩形成对照。
　I am only taking two dresses on holiday, so I will have to alternate the green dress with the blue one.　我只带着两件衣服度假，所以只能绿的和蓝的替换着穿。
　"Which of the two cars do you like better?"I asked Peter."The blue one or the red one?"　“那两辆车中你喜欢哪一辆?”我问彼得，“那辆蓝的还是红的?”
　She wanted to buy the orange dress, but we persuaded her that the blue one was more becoming.　她想买那件橙色连衣裙，但我们使她相信蓝色的更合适。
　Let's set some white flowers among the blue ones.　咱们在蓝色的花中间插一些白花吧。
　The blue coat belongs to Mary.　那件蓝色外衣是玛丽的。
　Peter decided on a blue sweater.　彼得选定了一件蓝色的运动衫。
　The blue umbrella belongs to my brother.　那把蓝色的伞是我兄弟的。
　It is difficult to tell where the blue melts into the green.　很难说蓝色是在什么地方变成绿色的了。
　The blue flame of the exhaust stabbed the darkness.　排气口的蓝色火焰划破黑暗。
　Combine blue paint and yellow paint.　将蓝颜料和黄颜料混在一起。
　We decided to decorate the bedroom with blue paint and a gold paper.　我们决定用蓝漆和一种金色纸装饰卧室。
　The artist mixed blue with yellow paint to produce the green colour he wanted.　这位画家把蓝色的颜料和黄色的颜料拌和起来，配成他需要的绿颜色。
　She messed up her new dress with blue ink.　蓝墨水弄脏了她的新衣服。
　The blue team was defeated by the red team.　蓝队被红队击败。
　The sky is bright blue.　天空呈蔚蓝色。
　The primary colours are red, blue, and yellow.　原色是红色、蓝色、黄色。
　The sky was dark blue and clear when the moon came up.　月亮出来时，天空是深蓝色的，非常晴朗。
　The sky was indigo blue, and a great many stars were shining.　天空一片深蓝，闪烁着点点繁星。
　One end is blue, one end is red, and the colours merge in the middle.　一端为蓝色，一端为红色，这两种颜色在中间混成一色。
　Myra has felt blue ever since her boyfriend left for Shanghai.　自从男朋友去了上海以后，迈拉一直闷闷不乐。
　You're looking blue, what's the matter?　你看起来挺忧愁，怎么回事?
　I've felt blue all day.　我整天闷闷不乐。
　Gara felt blue when he reread Mary's letters.　加拉重读玛丽的那些信时，心情很不好。
　There's often no reason for feeling blue, so we sometimes blame it on the weather.　我们常常无缘无故地感到忧郁，于是时而就抱怨起天气来。

　She ran and ran until she was blue in the face.　她跑啊跑啊，直到脸色发青才停下来。
　His face was blue with cold.　他的脸冻得发青。
　He was blue over his dismissal.　他因被解雇而情绪低落。

　I had my hair dyed blue.　我把头发染成蓝色。
　He painted the door blue.　他把门漆成蓝色。

 ♣ a blue moon　
　很长时间　long time
　It took me a blue moon to catch on to the directions.　我花了很久才弄明白说明书的意思。
　In a blue moon she could not accept that her husband was really dead.　很长时间她不信她丈夫是死了。
　By living a blue moon with the Indians, he was assimilated to them in his thinking and actions.　由于长期和印第安人共同生活，他在思想和行动上都被他们同化了。
　The storm has lasted a blue moon, it should soon blow over.　风暴已持续很长时间，不久就该停下来了。
　That murder was a mystery in a blue moon, but a clever detective cleared it up.　那次谋杀案长期以来一直是个谜，后来有个机灵的侦探揭开了真相。
 ♣ black and blue　
　参见black条。
 ♣ cry blue murder　
　大声惊呼，大惊小怪地叫喊　cry out in alarm
　He cried blue murder when I trod on his foot.　我踩了他一脚，他便大声怪叫起来。
　He cried blue murder when the dentist pulled his tooth out.　当牙医给他拔牙时，他大惊小怪地叫喊。

1. U C 蓝色，蔚蓝；青色　 having the colour of a clear sky or the sea on a sunny day
2. P 忧郁　 the state of being sad; a feeling of deep unhappiness

　blend ～ and yellow　把蓝色和黄色掺起来
　cry the ～s　叫苦不迭
　prefer ～　喜欢蓝色
　shade off into ～　逐渐变成蓝色
　specify ～　指定蓝色
　bolt from the ～　意想不到使人吃惊的事
　in pale ～　浅蓝色
　in the ～　在蓝天上
　in the ～s　心情忧郁
　out of the ～　出其不意

　The blue shaded off into grey.　这种蓝色逐渐变成灰色了。
　She specified blue for the bedroom windows.　她指定卧室的窗户用蓝色。
　These shirts come in three different colours: white, pale blue and khaki.　这种衬衫有三种颜色：白的、浅蓝的、土黄的。
　If you mix blue and yellow you will make green.　如果你把蓝色和黄色掺在一起，就会得到绿色。
　Green results from blending blue and yellow.　把蓝色和黄色掺起来方可成绿色。
　Some people find it difficult to discern between blue and green.　有些人很难分辨蓝色与绿色。
　I prefer red to blue.　我喜欢红色而不喜欢蓝色。
　She looks very pretty in pale blue.　她穿着浅蓝色的衣服，看起来很漂亮。
　He was in blue.　他穿一身蓝。
　These two blues are quite different.　这两种蓝色完全不同。
　The yellow one is nice, but I think I'll have a blue.　黄的不错，不过我想我还是要一个蓝的吧。
　A plane is flying in the blue.　飞机飞行在蓝天上。
　She has been in the blues these days.　在那些天里，她心情忧郁。
　She has cried the blues about its financial woes.　对于经济的困难她叫苦不迭。

 ♣ a bolt from the blue　
　意想不到的事，使人吃惊的事　sth taken sb by surprise
　The news that he was killed in an accident came like a bolt from the blue.　他在一次事故中丧生的消息意想不到地传来了。
　This news had smashed all his hopes like a bolt from the blue.　这一出乎意外的消息使他的全部希望都破灭了。
　He has met some difficulties like a bolt from the blue.　他遇到了一些使人吃惊的困难。
 ♣ out of the blue　
　出其不意；出乎意料　take sb by surprise; unusually
　Her son, who left her more than thirty years ago, came out of the blue.　她三十多年前离开的儿子出乎意料地回来了。
　It had never occurred to her that a new possibility would happen out of the blue.　她万万没有想到会出乎意料地出现一种新的可能性。
　North China was hit out of the blue by a heavy rain which caused severe flooding.　华北遭受了一场意外的大雨，引起严重的水灾。
　The question appeared out of the blue, and she colored very slightly.　问题出乎意料，她脸稍稍红了点。

1. vt. & vi.（使）变成蓝色，给…上蓝剂　 (make) azure
2. vt.挥霍，乱花钱　 spend money freely or wastefully

　～ foolishly　愚蠢地挥霍
　～ profusely　大量地挥霍
　～ rashly　轻率地挥霍

　Several metres of cloth has blued.　有几米布变蓝了。
　The sky of city has blued now.　现在，城市上空的天已经变蓝了。
　She wanted to blue a soft cloth.　她想使一块软布变成蓝色。
　He blued 9000 yuan in a holiday.　他一个假期就挥霍了9000元。
　He has blued all his money.　他把所有的钱都挥霍了。
　He blues a lot of money on entertaining friends.　他把许多钱挥霍在款待朋友上。
　She blued 4000 dollars at a restaurant one day.　她有一天在一家饭馆挥霍了4000美元。
　As soon as he won all that money, he blued it.　他一赢得那笔钱就挥霍起来。

　［同义词］ adj. dejected, depress, gloomy, miserable, sad, unhappy n. sapphire v. blow
　［反义词］ adj. cheerful, happy, optimistic, merry v. economize, save
　［词源］　中古英语bleu（蓝色的）