fast是什么意思

fast

英[fɑːst] 美[fæst]

第三人称单数：fasts;

过去式：fasted;

过去分词：fasted;

现在分词：fasting;

比较级：faster;

最高级：fastest;

同义词

fast的同义词之：
hasty sure quick dependable stable rapid starve solid steady firm swift speedy

反义词

fast的反义词之：
slow slowly tardy tardily

同义词解析

以下这几个形容词都有"快，迅速" 的意思
fast：常指人或物持续地高速运动，强调运动的方式。
quick：特指瞬时动作，强调动作敏捷迅速；也指匆忙的行为，而不暗示速度很快。
rapid比fast和quick正式，常指运动本身，侧重速度惊人。所指动作可能是短暂的，也可能是持续的。
swift：正式用词，强调非常迅速，往往含动作轻快敏捷之意。
hasty：多指匆忙、草率或仓促的行动，着重缺乏深思熟虑。
prompt：主要指动作迅速，毫不拖延，含"快得令人愉悦"的意味。
speedy：指人或物或其运动、活动时，着重极度的快捷，多含匆忙意味。
instant：指某事很快发生或急待解决，含刻不容缓之意。

词组

pull a fast one
(informal)try to gain an unfair advantage (非正式)占便宜；揩油水

柯林斯高阶英汉双解学习词典释义

ADJ-GRADED

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.
例句
...fast cars with flashing lights and sirens... 闪着灯、鸣着笛、飞速行驶的车辆 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。
ADV-GRADED

迅速地;立即

You use fast to say that something happens without any delay.
例句
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！ We'd appreciate your leaving as fast as possible. 如果您能尽快离开，我们将不胜感激。
ADJ-GRADED

(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.
例句
That clock's an hour fast. 那个钟快了一个小时。
ADV-GRADED

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.
例句
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。 The tanker is stuck fast on the rocks. 油轮紧卡在礁石中间动弹不得。
ADV-GRADED

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.
例句
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。 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。
ADJ-GRADED

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

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.
例句
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。
VERB

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.
例句
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。
PHRASE

熟睡的;沉睡的

Someone who is fast asleep is completely asleep.
例句
When he went upstairs five minutes later, she was fast asleep. 他5分钟后上楼时，她已睡熟。
PHRASE

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

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.
例句
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。

英汉词典释义

adj.
快的, 迅速的，迅捷的
She was a fast weaver and the cloth was very good. 她织布织得很快, 而且布的质量很好。 You're very fast, aren't you? 你动作很快, 对吧?
紧紧的, 牢固的
Nothing can undermine their fast friendship. 没有什么能破坏他们忠实的友谊。 Is the window fast? 窗子关紧了吗?
迅速发生的；立即发生的
动作迅速的；头脑灵活的
可供快速运动的
走得快
感光快的
系牢的；稳固的
不退色的
完成得快的，很快做完的，花较短时间的
(如睡眠)熟的，深沉的，酣畅的
放荡的，放纵的，男女乱交的
【摄影术】快动作的(镜头)；(指镜头)感光快的；(指胶片)曝光时间短的
adv.
快地, 迅速地，快速地
He was running so fast that he couldn't stop himself. 他跑得太快了, 一下子停不下来。 Don't speak so fast. 不要说得那么快。
紧紧地, 牢固地，完全地
The boat was stuck fast in the mud. 那艘船深深地陷在泥里。
不久；立即
完全地，彻底地；熟睡地，酣畅地
(比准确的时间或宣布的时间)快，提前，快于标准时间
放荡地
vi.
禁食；（尤指）斋戒
n.
禁食期；斋戒期

英英词典释义

Noun
1. abstaining from food
Verb
1. abstain from certain foods, as for religious or medical reasons;
"Catholics sometimes fast during Lent"
2. abstain from eating;
"Before the medical exam, you must fast"
Adjective
1. acting or moving or capable of acting or moving quickly;
"fast film""on the fast track in school""set a fast pace""a fast car"
2. (used of timepieces) indicating a time ahead of or later than the correct time;
"my watch is fast"
3. at a rapid tempo;
"the band played a fast fox trot"
4. (of surfaces) conducive to rapid speeds;
"a fast road""grass courts are faster than clay"
5. firmly fastened or secured against opening;
"windows and doors were all fast""a locked closet""left the house properly secured"
6. resistant to destruction or fading;
"fast colors"
7. unrestrained by convention or morality;
"Congreve draws a debauched aristocratic society""deplorably dissipated and degraded""riotous living""fast women"
8. hurried and brief;
"paid a flying visit""took a flying glance at the book""a quick inspection""a fast visit"
9. securely fixed in place;
"the post was still firm after being hit by the car"
10. unwavering in devotion to friend or vow or cause;
"a firm ally""loyal supporters""the true-hearted soldier...of Tippecanoe"- Campaign song for William Henry Harrison"fast friends"
Adverb
1. quickly or rapidly (often used as a combining form);
"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 tightly;
"held fast to the rope""her foot was stuck fast""held tight"

行业词典

体育：将船艇系得牢牢的；速度高的；快的；
医学：不动的，不变的；抗拒的：对某种特殊药物、染剂或退色剂的作用具有抗拒力的，如抗酸(acidfast)；禁食；
旅游：斋戒；
物理学：快慢符合装置；fast-slow coincidence assembly；
电力：快速熔断器；fast-acting fuse；

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