fast

adj.快的；走得快；感光快的；紧的

adv.（比准确的时间或宣布的时间）快；迅速地；紧紧地；彻底地

vi.禁食，（尤指）斋戒

n.禁食期，斋戒期；断食，节食

adj.

快速 quick

1. 快的；迅速的；敏捷的
   moving or able to move quickly
   1. a fast car/horse
      速度快的汽车 / 马
   2. 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
   1. the fastest rate of increase for years
      多年来最高的增长率
   2. 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
   1. a fast learner
      领悟快的学习者

物体表面 surface

4. 可供快速运动的
   producing or allowing quick movement
   1. a fast road/pitch
      快车道；快速球场

钟表 watch/clock

5. 走得快
   showing a time later than the true time
   1. I'm early─my watch must be fast.
      我早了——我的表肯定快了。
   2. That clock's ten minutes fast.
      那座钟快十分钟。

照相胶片 photographic film

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

牢牢固定 firmly fixed

7. 系牢的；稳固的
   firmly fixed and safe
   1. He made the boat fast .
      他把船系牢了。

衣服颜色 colours in clothes

8. 不退色的
   not likely to change or to come out when washed

adv.

快速 quickly

1. 快；快速；迅速
   quickly
   1. Don't drive so fast!
      别把车开得这么快！
   2. How fast were you going?
      当时你们走得有多快？
   3. I can't go any faster.
      我不能走得更快了。
   4. The water was rising fast.
      水迅猛上涨。
   5. Her heart beat faster.
      她的心跳加快。
   6. Night was fast approaching.
      黑夜迅速降临。
   7. a fast-flowing stream
      湍急的溪流
2. 不久；立即
   in a short time; without delay
   1. Children grow up so fast these days.
      如今孩子们长得真快。
   2. Britain is fast becoming a nation of fatties.
      英国不久就要变成一个胖子国了。
   3. 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。

牢固 firmly

3. 牢固地；完全地
   firmly; completely
   1. Within a few minutes she was fast asleep (= sleeping deeply) .
      几分钟后她就沉睡了。
   2. The boat was stuck fast (= unable to move) in the mud.
      船深陷在淤泥里动弹不得。

verb

1. 节食；禁食；斋戒
   to eat little or no food for a period of time, especially for religious or health reasons
   1. Muslims fast during Ramadan.
      伊斯兰教徒在斋月期间斋戒。

noun

1. 禁食期；斋戒期
   a period during which you do not eat food, especially for religious or health reasons
   1. to go on a fast
      开始禁食
   2. to break (= end) your fast
      开斋

形容词比较级:faster 形容词最高级:fastest 现在分词:fasting 过去式:fasted 名词复数形式:fasts 过去分词:fasted 第三人称单数:fasts

fast 稳固的，快的，绝食

来自PIE*past,固定，稳固，进一步来自PIE*pag, 固定，连接，词源同fang, pact.用于宗教术语斋戒，绝食。同时由稳固的衍生词义快速的。类似词义演变参照very, 原义真实的，fair, 原义美丽的，或汉语成语欲速则不达。

1. He's taking a dangerous drug: it acts very fast on the central nervous system
   他正在服用一种危险的药物：这种药物能很快影响到中枢神经系统。
2. He's a rather good fast bowler.
   他是一个非常棒的快投手。
3. I threw caution to the wind and rode as fast as I could.
   我不顾一切，骑得飞快。
4. All countries, it was predicted, would develop and develop fast.
   据预测，所有国家都会实现发展而且发展速度会很快。
5. Brindley was known as a very, very fast driver
   众所周知，布林德利是个喜欢飞车的人。
6. The party aims to attract votes from the business and professional communities, which want a faster pace of political reform
   该党的目标是吸引商界和专业社群的选票，因为这两个群体都希望加快政治改革的步伐。
7. The only question is how fast the process will be.
   唯一的问题是这个过程会有多快。
8. When you've got a crisis like this you need professional help — fast!
   当你遇到这样的危急情况，就需要专业救援了——要快！
9. We'd appreciate your leaving as fast as possible.
   如果您能尽快离开，我们将不胜感激。
10. That clock's an hour fast.
    那个钟快了一个小时。
11. She climbed the staircase cautiously, holding fast to the rail
    她紧紧地抓着栏杆，小心翼翼地爬楼梯。
12. The tanker is stuck fast on the rocks.
    油轮紧卡在礁石中间动弹不得。
13. We can only try to hold fast to the age-old values of honesty, decency and concern for others
    我们只能努力坚守那些古老的价值观：诚实、正派、关心他人。
14. He told supporters to stand fast over the next few vital days.
    他叫支持者在接下来的几个重要日子里站稳立场。
15. The fabric was ironed to make the colours fast.
    为防止掉色，织物已经过熨烫。
16. Life in Detroit no longer satisfied him; he wanted the fast life of California.
    他不再满意底特律的生活，想要过加利福尼亚那种刺激快乐的生活。
17. I fasted for a day and half and asked God to help me.
    我斋戒了一天半，祈求上帝伸出援手。
18. There have been people who have played fast and loose with the rules.
    有人在玩弄这些规则。
19. No doubt someone had pulled a fast one on her over a procedural matter.
    无疑有人在程序性问题上骗了她。
20. Most of the time we just ate snacks and fast food.
    多数时候我们只吃点心和快餐。
21. Just fast forward the video
    让录像带快进就行了。
22. There's some sympathy for this new country's growing pains, but that sympathy is fast wearing out.
    一些人对这个新国家建国初期遇到的困难表示同情，但是那种同情很快就消失了。
23. How fast were you driving?
    你当时的车速有多快？
24. Things are changing so fast, it's hard to keep up.
    事情变化得太快了，很难跟上形势。
25. Megamalls and fast food restaurants line the highway system.
    公路系统沿线有大型商场和快餐店。
26. She was going too fast so I decided to keep riding at my own pace.
    她骑得太快了，所以我决定按自己的速度骑。
27. The first speaker began to talk, very fast and rather loudly
    第一个发言者开始讲话了，语速很快，声音相当大。
28. How fast can this car go?
    这车能跑多快？
29. This watch is sometimes fast and sometimes slow.
    这表时快时慢。