fast

noun

1. abstaining from food

Synonym: fasting

verb

1. abstain from eating

e.g. Before the medical exam, you must fast

2. abstain from certain foods, as for religious or medical reasons

e.g. Catholics sometimes fast during Lent

adj

1. (of a photographic lens or emulsion) causing a shortening of exposure time

e.g. a fast lens

2. acting or moving or capable of acting or moving quickly

e.g. fast film
on the fast track in school
set a fast pace
a fast car

3. at a rapid tempo

e.g. the band played a fast fox trot

4. (used of timepieces) indicating a time ahead of or later than the correct time

e.g. my watch is fast

5. securely fixed in place

e.g. the post was still firm after being hit by the car

Synonym: firmimmobile

6. hurried and brief

e.g. paid a flying visit
took a flying glance at the book
a quick inspection
a fast visit

Synonym: flyingquick

7. unrestrained by convention or morality

e.g. Congreve draws a debauched aristocratic society
deplorably dissipated and degraded
riotous living
fast women

Synonym: debaucheddegeneratedegradeddissipateddissolutelibertineprofligateriotous

8. resistant to destruction or fading

e.g. fast colors

9. (of surfaces) conducive to rapid speeds

e.g. a fast road
grass courts are faster than clay

fast的解释

adv

1. quickly or rapidly (often used as a combining form)

e.g. how fast can he get here?
ran as fast as he could
needs medical help fast
fast-running rivers
fast-breaking news
fast-opening (or fast-closing) shutters

2. firmly or closely

e.g. held fast to the rope
her foot was stuck fast
held tight

Synonym: tight

1. 快的;迅速的
Fast means happening, moving, or doing something at great speed. You also use fast in questions or statements about speed.

e.g. ...fast cars with flashing lights and sirens...
闪着灯、鸣着笛、飞速行驶的车辆
e.g. 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。

2. 迅速地;立即
You use fast to say that something happens without any delay.

e.g. 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！
e.g. We'd appreciate your leaving as fast as possible.
如果您能尽快离开，我们将不胜感激。

3. (钟表)偏快的，走得快的
If a watch or clock is fast, it is showing a time that is later than the real time.

e.g. That clock's an hour fast.
那个钟快了一个小时。

4. 紧紧地;牢牢地;死死地
If you hold something fast, you hold it tightly and firmly. If something is stuck fast, it is stuck very firmly and cannot move.

e.g. 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。
e.g. The tanker is stuck fast on the rocks.
油轮紧卡在礁石中间动弹不得。

5. 坚定地;毫不动摇地
If you hold fast to a principle or idea, or if you stand fast, you do not change your mind about it, even though people are trying to persuade you to.

e.g. 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。
e.g. 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。

6. (颜色或染料)不褪色的，不掉色的
If colours or dyes are fast, they do not come out of the fabrics they are used on when they get wet.

e.g. The fabric was ironed to make the colours fast.
为防止掉色，织物已经过熨烫。

7. 骄奢淫逸的;刺激而快乐的
A fast way of life is one which involves a lot of enjoyable and expensive or dangerous activities.

e.g. 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。

8. 斋戒;禁食;绝食
If you fast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest.

e.g. 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。

9. 熟睡的;沉睡的
Someone who is fast asleep is completely asleep.

e.g. When he went upstairs five minutes later, she was fast asleep.
他5分钟后上楼时，她已睡熟。

10. 玩猫腻;玩弄
If you say that someone is playing fast and loose, you are expressing disapproval of them for behaving in a deceitful, immoral, or irresponsible way.

fast的反义词

e.g. There have been people who have played fast and loose with the rules.
有人在玩弄这些规则。

11. 欺骗;哄骗;愚弄
If you say that someone has pulled a fast one on you, you mean that they have cheated or tricked you.

e.g. 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。

12. to make a fast buck -> see buck
fast lane -> see lane

1. 快速的：答(P):我们的方法是做大量的实验,快速发布并且不断进行改进. 我们尽早的(early),快速的(Fast)更新软件,并且认真收取用户的反馈. 问:优秀(Good)测试人员和卓越(Great)测试人员的区别是什么?

2. fast是什么意思

2. 法斯特：法斯特(fast)氧化锆研磨仪 是我公司08年推向市场的高端义齿加工设备,经过1年的推广在国内市场占有率是最高的,也已经出口到多个国外技工实验室. 产品的加工精度经过多家用户的验证完全达到德国,意大利进口设备的水平,

3. fast：functional assessment staging; 功能性评估量表

4. fast：fast access storage technology; 快速访问存储技术

5. fast的解释

5. fast：fully automated seamless travel; 全自动顺畅通行系统