1.快的；迅速的；敏捷的moving or able to move quickly
a fast car/horse速度快的汽车╱马
the world's fastest runner世界最快的赛跑运动员
2.迅速发生的；立即发生的happening in a short time or without delay
the fastest rate of increase for years多年来最高的增长率
a fast response time迅速的反应时间
3.动作迅速的；头脑灵活的able to do sth quickly
a fast learner领悟快的学习者
4.可供快速运动的producing or allowing quick movement
a fast road/pitch快车道；快速投球
5.[nbn]走得快showing a time later than the true time
I'm early─my watch must be fast.我早了，我的表肯定快了。
That clock's ten minutes fast.那座钟快十分钟。
6.感光快的very sensitive to light, and therefore useful when taking photographs in poor light or of sth that is moving very quickly
7.系牢的；稳固的firmly fixed and safe
He made the boat fast .他把船系牢了。
8.不退色的not likely to change or to come out when washed
In his latest movie, the action is fast and furious.在他的最新电影中，情节起伏跌宕。
In his latest movie, the action is fast and furious.在他的最新电影中，情节起伏跌宕。
1.快；快速；迅速quickly
Don't drive so fast!别把车开得这么快！
How fast were you going?当时你们走得有多快？
I can't go any faster.我不能走得更快了。
The water was rising fast.水迅猛上涨。
Her heart beat faster.她的心跳加快。
Night was fast approaching.黑夜迅速降临。
a fast-flowing stream湍急的溪流
2.不久；立即in a short time; without delay
Children grow up so fast these days.如今孩子们长得真快。
Britain is fast becoming a nation of fatties.英国不久就要变成一个胖子国了。
The police said that they had reacted as fast as they could.警方说他们已尽快作出了反应。
3.牢固地；完全地firmly; completely
Within a few minutes she was fast asleep(= sleeping deeply) .几分钟后她就沉睡了。
The boat was stuck fast(= unable to move) in the mud.船深陷在淤泥里动弹不得。
1.[i]（因宗教或健康原因）节食，禁食，斋戒to eat little or no food for a period of time, especially for religious or health reasons
Muslims fast during Ramadan.伊斯兰教徒在斋月期间斋戒。
1.禁食期；斋戒期a period during which you do not eat food, especially for religious or health reasons
to go on a fast开始禁食
to break(= end) your fast开斋
But the interesting bit was that the fast-moving prices have prompted her to do her sums again: she is moving her production back to Europe.
但是有趣的是，中国价格快速增长促使她重新清醒思考：她正在将生产线迁回欧洲。
Just a few meters from the door is Riley Hunter, who says he has no idea what he wants to buy, and the line is moving fast.
离门几米处站着莱利亨特，他说他不知道要买什么，而排队的人群越排越长。
American and British banks at least seem to have grasped the main lesson: that it is vital to deal with bad debts fast.
美国和英国的银行至少似乎已经汲取了主要教训：对坏账“快刀斩乱麻”非常重要。
Mr. Cronk said the layout was chosen so customers would not feel lost in the asphalt but would enjoy fast and easy access to the shops.
克朗克先生谈到，选择如此布局是为了让消费者不致迷失于柏油路之中并能方便快捷地到达商店。
She said a woman needs money fast as she gets older.
她说当一个女人变老的时候，她需要让财富加速增长。
l. His mother was dismissed due to the fact that she couldn't type fast enough.
老板把他的妈妈给辞退了，由于他打字不够快。
How simple it would be if I could make the line fast, he thought.
他想：要是我能把钓丝系紧，那多么简单啊。
Interviewers want you to be a go-getter, but they also worry that you'll get restless if you don't move up fast enough.
面试官希望你有冲劲，但也怕你升迁不够快的话会开始焦躁不安。
Do not nonsense, fast, said the next task!
不要废话，快说下一个任务！
The nightly curfew in the Iraqi capital and a vehicle curfew are to be eased during Ramadan to help families break fast together.
这个伊拉克首都的宵禁和交通禁令在斋月期间将会减轻，以便让家庭能共进晚餐。
Aim To develop a simple, fast, easy-to-do and new detecting method of the Abs against Taenia Solium cysticercosis for country veterinarian.
目的研制一种简便快速检测囊虫抗体的新方法，提供基层单位使用。
First heard about the Mertesacker deal yesterday lunchtime. Confidentiality meant it had to stay quiet. But it's happened very fast.
第一次听到摩的萨克的交易是在昨天中午，因为机密所以要保持安静，但是一切发生的很快。
Running downstairs again as fast as she had run up, Miss Tox got the party out of the hackney coach, and soon returned with it under convoy.
托克斯小姐像跑上楼来一样快地跑下楼去，把当事人从出租马车中扶出，并立刻护送着回到楼上。
He didn't want this to happen again. We've got to get you to a hospital fast, he thought.
他不想让这种事情再次发生。我们必须马上送你去医院，他心里想。
The UEF scout is a fast, lightly armored reconnaissance vehicle which sports a machine gun and a state-of-the-art sensor suite.
UEF的侦察车是一个快速的，轻装甲的侦察单位。配备有机枪和最新式的侦测套件。
"Michigan Central depot, " he said, standing up and speaking so low that Carrie could not hear, "as fast as you can go. "
“去密执安中心火车站，”他站起身来说道，声音压得很低，以免嘉莉听见。“越快越好。”
Life in the United States tend to speak very fast, mingled with a variety of accents, not like the movie so clear and understandable.
生活中美国人说话语速非常快，还夹杂着各种口音，并不像电影里那么清晰易懂。
Thinking fast, he dropped his fishing rod, then lifted his legs to try to kick his way out of the waders.
他脑子转得还算快，立即扔掉钓鱼竿，抬起双腿，试图蹬落防水衣逃生。
"There is little to no evidence that corals can adapt fast enough to match even the lower projected temperature rise, " said the report.
报告中还说：“目前没有证据表明，珊瑚能够尽快适应温度的上升，即使预期的上升幅度比实际情况偏低。”
Bolus - referred to as the fast acting insulin used to cover food, typically carbohydrates, some cover for protein as well.
指对食物、碳水化合物和某些蛋白质起作用的快速起效的胰岛素。
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