blue
adj
1 having the colour of a clear sky or the sea on a sunny day 藍色的; 天藍色的; 蔚藍的; 青色的: blue eyes 藍眼睛
a blue dress, shirt, etc 藍衣服、襯衫等
He was blue in the face, ie His face was a purplish colour because of cold or exertion. 他臉色發青（因寒冷或用力過度而稍泛紫色）.
Her hands were blue with cold. 她的雙手都凍青了. =>illus at spectrum 見spectrum之插圖.
2 [pred 作表語]
(infml 口) sad; depressed 憂傷; 沮喪
Don't look so blue smile! 別這樣愁眉苦臉的--笑一笑吧!
3 indecent; pornographic 下流的; 色情的
a blue film/movie/joke 黃色的影片[電影/笑話].
4 (idm 習語) black and blue => black1. sb's ,blue-eyed `boy (infml esp Brit usu derog 口, 通常作貶義) favourite of a person or group; darling; pet 親信; 寵兒; 寶貝兒; 寵物
He's the manager's blue-eyed boy. 他是經理的親信. once in a blue moon => once. scream, etc blue `murder (infml 口) protest wildly and noisily 強烈抗議; 嘩然反對
The union yelled blue murder when one of its members was sacked. 有一會員遭解雇, 工會表示強烈抗議. (do sth) till one is blue in the `face (infml 口) (work, etc) as hard and as long as one possibly can (usu without success) （工作等）努力和持久到了極點（通常并不成功）
He can write me letters till he's blue in the face, I'm not going to reply. 任他沒完沒了地給我寫信, 我就是不回信.
blue n
1
(a) [C, U] blue colour 藍色; 青色
light/dark blue 淺[深]藍色
material with a lot of blue in it 藍色成分多的材料.
(b) [U] blue clothes 藍色服裝
dressed in blue 穿著藍色衣服.
2 [C]
(a) (Brit) distinction awarded to a sportsman who represents either Oxford or Cambridge University in a match between the two 藍色榮譽（授予代表牛津或劍橋大學參加兩校比賽的運動員的最高榮譽）
get a/one's blue for cricket, football, etc 參加牛津與劍橋兩校板球、足球等比賽而獲得藍色榮譽.
(b) person who has won a blue 獲得藍色榮譽的人
an Oxford/a Cambridge (hockey) blue 牛津[劍橋]（曲棍球）藍色榮譽獲得者.
3 the blue [sing]
(dated infml 舊, 口) sea or sky 大海; 藍天
The boat sailed off into the blue. 小船已駛出海.
4 [sing or pl v]
(a) the blues slow melancholy jazz music originating among Blacks in the southern US 布魯斯音樂（源自美國南方黑人中情調憂郁的慢速爵士音樂）
[attrib 作定語]
a blues singer, melody 布魯斯歌手、曲調.
(b) blues song of this type 布魯斯歌曲
sing a blues 唱布魯斯歌曲.
5 the blues [pl]
(infml 口) feelings of deep sadness or depression 極其憂傷或沮喪的情緒
have (an attack of) the blues 覺得傷心.
6 (idm 習語) a bolt from the blue => bolt1. the boys in blue =>boy1. out of the `blue unexpected(ly); without warning 意外（的）; 未事先告知
She arrived out of the blue. 她沒有事先告知就來了.
His resignation came (right) out of the blue. 他突然辭職, 使人感到意外.
blue v [Tn]
(infml 口) spend (money) recklessly 亂花（錢）
He won 500 and then blued the lot in three days. 他贏了500英鎊, 可是才三天就花得精光.
?? 考研助記
巴喬有一雙憂郁的藍眼睛
?? 擴展釋義
*[blu:]n. 藍色a. 藍色的, 下流的, 憂郁的vt. 染成藍色vi. 變藍【醫】 藍相關詞組: out of the blue