cold, cool, chilly, frosty, freezing, icy

名詞 cool:

1. the quality of being at a refreshingly low temperature
2. great coolness and composure under strain
   同義詞：aplomb, assuredness, poise, sang-froid

動詞 cool:

1. make cool or cooler
   同義詞：chill, cool down
2. loose heat
   同義詞：chill, cool down
3. lose intensity
   同義詞：cool off, cool down

形容詞 cool:

1. neither warm nor very cold; giving relief from heat
2. marked by calm self-control (especially in trying circumstances); unemotional
   同義詞：coolheaded, nerveless
3. (color) inducing the impression of coolness; used especially of greens and blues and violets
4. psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike
5. (used of a number or sum) without exaggeration or qualification
6. fashionable and attractive at the time; often skilled or socially adept

1. A day in jail cooled him off.
   一天的鐵窗生活使他冷靜了下來。
2. As it was a hot day she wore a cool dress.
   因為天氣熱，她穿了一件涼快的衣服。
3. Even when you argue, you should try to keep cool.
   即使在爭辯時，你也要盡力保持冷靜。

cool

adj.（形容詞）
cool.er,cool.est
Neither warm nor very cold; moderately cold:
涼的：既不溫暖也不很冷的；適度涼的：
例句：
fresh, cool water; a cool autumn evening.
清涼的水；清新的秋夜

Giving or suggesting relief from heat:
涼快的：令人涼快的或有爽快感的：
例句：
a cool breeze; a cool blouse.
涼爽的微風；涼爽的女襯衣

Marked by calm self-control:
冷靜的：以冷靜的自控為特征的：
例句：
a cool negotiator.
冷靜的談判者

Marked by indifference, disdain, or dislike; unfriendly or unresponsive:
冷淡的：態(tài)度冷漠、輕視或不喜歡的；不友好的或反應冷淡的：
例句：
a cool greeting; was cool to the idea of higher taxes.
冷淡的問候；對提高稅收的意見反應冷淡

Of, relating to, or characteristic of colors, such as blue and green, that produce the impression of coolness.
冷色調(diào)的：產(chǎn)生涼感的顏色的，如藍色或綠色等，或具有冷色特征的
Slang Excellent; first-rate:
【俚語】 頂好的：優(yōu)秀的；一流的：
例句：
has a cool sports car; had a cool time at the party.
擁有一流的跑車；在晚會上玩得好極了

Slang Entire; full:
【俚語】 整整的；滿的：
例句：
worth a cool million.
整整要一百萬

v.（動詞）
cooled,cool.ing,cools
v.tr.（及物動詞）
To make less warm.
使…變涼
To make less ardent, intense, or zealous:
使減輕（少）熱情、緊張或熱心：
例句：
problems that soon cooled my enthusiasm for the project.
這些問題使我對這個計劃失去了熱情

v.intr.（不及物動詞）
To become less warm:
冷卻：
例句：
took a dip to cool off.
泡在水中冷卻一下

To become calmer:
變得冷靜下來：
例句：
needed time for tempers to cool.
需要時間冷靜下來

n.（名詞）
A cool place, part, or time:
涼爽：涼快的地方、部分或時候：
例句：
the cool of early morning.
清早的涼爽時刻

The state or quality of being cool.
涼快：涼（快）的狀態(tài)或性質
Slang Composure; poise:
【俚語】 鎮(zhèn)靜：鎮(zhèn)靜；沉著：
例句：
.Our release marked a victory. The nation had kept its cool.(Moorhead Kennedy)
.我們的釋放標志著勝利的到來。國家已穩(wěn)定了下來.(穆爾黑德·肯尼迪)

<習慣用語>cool it【俚語】
To calm down; relax.
冷靜下來；輕松
cool (one`s) heels【非正式用語】
To wait or be kept waiting.
等著或別人讓等著
來源：
Middle English cole
中古英語 cole
from Old English côl * see gel-
源自 古英語 côl *參見 gel-

【引伸】
cool.ish
adj.（形容詞）
cool.ly
adv.（副詞）
cool.ness
n.（名詞）
<參考詞匯><同義詞>cool,composed,collected,unruffled,nonchalant,imperturbable,detachedThese adjectives apply to persons, their attitudes, their behavior, or their actions to indicate absence of excitement or discomposure,especially in times of stress.
這些形容詞適用于人或人們的態(tài)度、舉止或行為，表示冷靜沉著或不慌不忙，尤其是在緊張時刻。
Cool usually implies merely a high degree of self-control,though it may also indicate aloofness:
Cool 通常只指一種高度的自我控制，雖然它也可以表示冷漠超然：
例句：
.Keep strong, if possible.In any case, keep cool.Have unlimited patience. (B.H. Liddell Hart).
.如果可能，保持強壯。任何情況，保持冷靜。要有無限的耐心. （B·H·里德爾·哈特）。

例句：
.An honest hater is often a better fellow than a cool friend. (John Stuart Blackie).
.一個恨你但是誠實的人常常比一個漠不關心的朋友更好. （約翰·斯圖亞特·布萊基）。

Composed implies a serene, often sedate quality arising from self-discipline:
Composed 帶有產(chǎn)生于自我約束的一種安詳寧靜的，常常是鎮(zhèn)定沉著的品質之意：
例句：
The performer was composed as she readied herself for her entrance on stage.
這位演員在準備上場時沉著冷靜。

Collected suggests self-possessed composure:
Collected 含有泰然自若、沉著鎮(zhèn)靜之意：
例句：
The witness remained collected throughout the cross-examination.
證人在整個反詰問過程中保持著鎮(zhèn)靜自若。

Unruffled emphasizes calm despite circumstances that might elicit agitation:
Unruffled 強調(diào)環(huán)境可能會引起激動不安時仍保持冷靜：
例句：
.with contented mind and unruffled spirit. (Anthony Trollope).
.心滿意足且心情平靜. （安東尼·特洛普）。

Nonchalant describes a casual manner that may suggest, sometimes misleadingly, a lack of interest or concern:
Nonchalant 指一種可能（有時是誤導性地）帶有缺乏興趣或關心意味的不拘禮節(jié)的態(tài)度：
例句：
He doesn`t seem excited;
他看上去并不興奮；

例句：
on the contrary, his demeanor is easy and nonchalant.
相反，他的舉止輕松而無動于衷。

Imperturbable stresses unshakable calmness considered usually as an inherent trait rather than as a product of self-discipline:
Imperturbable 側重于一種不可動搖的沉著冷靜，通常被認為是天生的特性而不是自我約束的產(chǎn)物：
例句：
.A man . . ./Cool, and quite English, imperturbable. (Byron).
.一個…非常英國式的人，冷漠而不易激動. （拜倫）。

Detached implies aloofness resulting either from lack of active concern or from resistance to emotional involvement:
Detached 含有冷漠超然的意思，可以是因為不太關心也可以是因為不愿介入感情糾葛：
例句：
She may be detached,she may even be unfeeling,but at least she`s not hypocritically effusive. See also Synonyms at cold
她可能冷漠，她甚至可能冷酷無情，但至少她不會假惺惺地過分熱情 參見同義詞 cold