sad, unhappy, gloomy, blue, sorrowful, melancholy

名詞 blue:

1. blue color or pigment; resembling the color of the clear sky in the daytime
   同義詞：blueness
2. blue clothing
3. any organization or party whose uniforms or badges are blue
4. the sky as viewed during daylight
   同義詞：blue sky, blue air, wild blue yonder
5. used to whiten laundry or hair or give it a bluish tinge
   同義詞：bluing, blueing
6. the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
   同義詞：amobarbital sodium, blue angel, blue devil, Amytal
7. any of numerous small butterflies of the family Lycaenidae

動(dòng)詞 blue:

1. turn blue

形容詞 blue:

1. of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky
   同義詞：bluish, blueish
2. used to signify the Union forces in the American Civil War (who wore blue uniforms)
3. low in spirits
   同義詞：depressed, dispirited, down, downcast, downhearted, down in the mouth, low, low-spirited
4. characterized by profanity or cursing
   同義詞：blasphemous, profane
5. suggestive of sexual impropriety
   同義詞：gamy, gamey, juicy, naughty, racy, risque, spicy
6. belonging to or characteristic of the nobility or aristocracy
   同義詞：aristocratic, aristocratical, blue-blooded, gentle, patrician
7. morally rigorous and strict
   同義詞：puritan, puritanic, puritanical
8. causing dejection
   同義詞：dark, depressing, dingy, disconsolate, dismal, dispiriting, gloomy, grim, sorry, drab, drear, dreary

1. He can write me letters till he's blue in the face, I'm not going to reply.
   任他沒(méi)完沒(méi)了地給我寫(xiě)信，我就是不回信。
2. The room was painted in various shades of blue.
   房間是用深淺不一的藍(lán)色粉刷的。
3. I'm feeling blue today.
   我今天的心情不好。
4. She wore a dark blue coat.
   她穿著一件深藍(lán)色的上衣。

blue

n.（名詞）
Abbr. bl.Color The hue of that portion of the visible spectrum lying between green and indigo, evoked in the human observer by radiant energy with wavelengths of approximately 450 to 490 nanometers; any of a group of colors that may vary in lightness and saturation, whose hue is that of a clear daytime sky; one of the additive or light primaries; one of the psychological primary hues.
縮寫(xiě) bl.【色彩】 藍(lán)色，天藍(lán)色：光譜介于綠色和紫藍(lán)色之間的色彩，由波長(zhǎng)大約為450至490納米的射線產(chǎn)生，是人們能觀察到的顏色；區(qū)別于淡色和深色的顏色，其色彩與晴朗的天空類(lèi)似；原色的染色或褪色；心理學(xué)上的基本特色之一

A pigment or dye imparting this hue.
藍(lán)色染料，藍(lán)色顏料：加上這種色彩的色素或顏料
Bluing.
上藍(lán)劑

An object having this hue.
藍(lán)色的物體：有這種顏色的物體
Dress or clothing of this hue:
藍(lán)色的衣服或布：
例句：
The ushers wore blue.
領(lǐng)位員身著藍(lán)色制服

A person who wears a blue uniform.
穿藍(lán)色制服的人
blues A dress blue uniform, especially that of the U.S. Army.
blues 藍(lán)色制服，尤用于美國(guó)武裝部隊(duì)
Often Blue
常作 Blue
A member of the Union Army in the Civil War.
美國(guó)南北戰(zhàn)爭(zhēng)北軍的一員
The Union Army.
美國(guó)南北戰(zhàn)爭(zhēng)中的北方部隊(duì)
A bluefish.
鮭，藍(lán)魚(yú)
A small blue butterfly of the family Lycaenidae.
藍(lán)蝶：灰蝶科的小藍(lán)蝴蝶

The sky.
藍(lán)天
The sea.
碧海
adj.（形容詞）
blu.er,blu.est
Color Of the color blue.
【色彩】 青色的
Bluish or having parts that are blue or bluish, as the blue spruce and the blue whale.
帶青色的，淺藍(lán)色的：青色的或有一部分是藍(lán)色或青色的，如藍(lán)云杉和藍(lán)鯨
Having a gray or purplish color, as from cold or contusion.
青紫的：灰色的或略帶紫色的，由受冷或受傷造成
Wearing blue.
身著藍(lán)裝的

Gloomy; depressed.See Synonyms at depressed
沮喪的；受壓抑的參見(jiàn) depressed
Dismal; dreary:
陰郁的；沉悶的：
例句：
a blue day.
乏味的一天

Puritanical; strict.
清教徒的；戒律很?chē)?yán)的
Aristocratic; patrician.
貴族的；高貴的
Indecent; risqué:
下流的；有傷風(fēng)化的：
例句：
a blue joke; a blue movie.
淫穢的玩笑；黃色電影

v.tr.intr.（及物動(dòng)詞和不及物動(dòng)詞）
blued,blu.ing,blues
To make or become blue.
使成藍(lán)色，變?yōu)樗{(lán)色

<習(xí)慣用語(yǔ)>blue in the face
To the point or at the point of extreme exasperation:
臉色發(fā)青：至于或處于極度憤怒的狀態(tài)：
例句：
I argued with them until I was blue in the face.
和他們爭(zhēng)論到我臉色發(fā)青

into the blue
At a far distance; into the unknown.
遠(yuǎn)距離；遙不可測(cè)
out of the blue
From an unexpected or unforeseen source:
出乎意料的：來(lái)自沒(méi)有想到或沒(méi)有預(yù)測(cè)的：
例句：
criticism that came out of the blue.
突如其來(lái)的批評(píng)

At a completely unexpected time:
突然的，始料不及的：在意料不到的時(shí)間里：
例句：
arrived out of the blue.
突然拜訪

來(lái)源：
Middle English blue, bleu
中古英語(yǔ) blue, bleu
from Old French bleu
源自 古法語(yǔ) bleu
[of Germanic origin] * see bhel-
[源于日耳曼語(yǔ)的] *參見(jiàn) bhel-

【引伸】
blue.ly
adv.（副詞）
blue.ness
n.（名詞）