keep one's cool
表示在压力下保持镇定、不发火；one's 随主语人称变化，如 keep my/your/his cool。
She kept her cool even when the customers complained.
即使顾客抱怨，她也保持冷静。
冷静；沉着；时髦；时尚；适度或清爽的寒冷状态；介于热冷之间的适中气温；凉爽。；清凉的特性；冷静的性情。
a moderate or refreshingly low temperature, especially of the air
适度或清爽的寒冷状态；介于热冷之间的适中气温；凉爽。
A moderate or refreshing state of cold; moderate temperature of the air between hot and cold; coolness.
清凉的特性
the quality of being at a refreshingly low temperature
冷静的性情。
A calm temperament.
在压力下的冷静与沉着
great coolness and composure under strain
酷、流行或时尚的特性。
The property of being cool, popular or in fashion.
Despite the chaos, she managed to keep her cool.
尽管一片混乱，她仍设法保持冷静。
用法提示：cool作名词，意为‘冷静’，用在固定短语‘keep one's cool’中。
AI contextual example
The cool of the evening was refreshing after a hot day.
炎热的一天过后，傍晚的清凉令人神清气爽。
用法提示：cool作名词，意为‘清凉’，指凉爽的空气或温度。
AI contextual example
He lost his cool when the computer crashed for the third time.
当电脑第三次崩溃时，他失去了冷静。
用法提示：cool作名词，意为‘冷静’，用在短语‘lose one's cool’中表示失去自制。
AI contextual example
表示在压力下保持镇定、不发火；one's 随主语人称变化，如 keep my/your/his cool。
She kept her cool even when the customers complained.
即使顾客抱怨，她也保持冷静。
表示发火、沉不住气，多用于口语；one's 同样随主语变化。
He lost his cool and started shouting at the referee.
他失去了冷静，冲着裁判大喊起来。
指一天中较凉快的时段，用 the cool of the morning/evening/night 表示“清晨/傍晚/夜里的凉爽” 。
We walked along the river in the cool of the evening.
傍晚凉爽的时候，我们沿着河边散步。
grammar · medium
易错句子He lost cool when the referee made that call.
正确表达He lost his cool when the referee made that call.
lose one's cool（发火、失去冷静）是固定搭配，名词 cool 前必须用物主代词 his/her/my 等。汉语说“失去冷静”不带物主代词，学生直译时容易漏掉，导致搭配不成立。
grammar · medium
易错句子We sat on the porch in cool of the evening.
正确表达We sat on the porch in the cool of the evening.
the cool of the evening/night 表示“傍晚/夜里的凉爽”，此处 cool 是特指的名词，必须加定冠词 the。汉语没有冠词，学生容易把 the 省略掉。
两者都指低温，但程度不同：cool 是宜人、适中的凉，cold 是明显低温的寒冷；说天气微凉用 cool，说严寒用 cold。
chill 多指让人不适的阴冷或一阵寒意，带负面意味；cool 作名词指宜人的凉爽，还可指“冷静、时髦”，chill 没有这些名词义。
cool 指压力下表现出的沉着，常含赞许；calm 泛指内心或环境的平静，可用于海面、天气等，cool 作名词不这么用。
保持冷静
Even when the customers are rude, she manages to keep her cool.
即使顾客无礼，她也设法保持冷静。
失去冷静；发脾气
He lost his cool and shouted at the waiter.
他失去冷静，对服务员大喊大叫。
傍晚的凉爽
We sat outside to enjoy the cool of the evening.
我们坐在外面享受傍晚的凉爽。
树荫下的清凉
The dogs rested in the cool of the shade.
狗在树荫下的清凉处休息。
谈论凉爽时常用温度来描述冷热程度。
微风与凉爽感觉常同时出现，尤其在天气话题中。
阴凉处与凉爽气温相关，是夏天常见的搭配情景。
凉爽常给人清爽的舒适感，两者常在同一语境中出现。
凉爽通常用来描述夏季中较舒适的天气或饮品。
保持冷静
Even when the meeting got tense, she kept her cool.
即使会议气氛变得紧张，她依然保持冷静。
发脾气；失去冷静
He lost his cool when he saw the damage to his car.
他看到车被损坏时发了脾气。
非常冷静；镇定自若
The pilot remained as cool as a cucumber during the emergency landing.
紧急降落时，飞行员依旧镇定自若。
冷静点，小宝贝。
In Pulp Fiction, the robber says 'Be cool, honey bunny' to calm his partner.
在《低俗小说》中，劫匪为了安抚同伴说：“冷静点，小宝贝。”
发长 /uː/ 音 (如 food, boot)
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
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