fast
a. 快速的, 紧的 adv. 很快地, 紧紧地, 彻底地 n. 绝食, 斋戒 vi. 绝食, 斋戒
发音
词形变化
别名
教材释义与例句
禁食，斋戒
If you fast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest
快速的，迅速的；紧的，稳固的
moving or able to move quickly
迅速地；紧紧地；彻底地
moving quickly
释义与例句
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1.
A train that calls at only some stations it passes between its origin and destination, typically just the principal stations.
交通 -
1.
The act or practice of fasting, religious abstinence from food.
1677 George Fox, The Hypocrites Fast and Feast Not God's Holy Day, p. 8 (paraphrasing Matthew 6:16-18). And is it not the Command of Christ, that in their Fast they should not appear unto men to fast?
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2.
Any of the fasting periods in the liturgical year.
1662 Peter Gunning, The Holy Fast of Lent Defended Against All Its Prophaners: Or, a Discourse, Shewing that Lent-Fast was First Taught the World by the Apostles (1677 [1662]), p. 13 (translation of the Paschal Epistle of Theophilus of Alexandria). And so may we enter the Fasts at hand, beginning Lent the 30th. day of the Month Mechir
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1.
To practice religious abstinence, especially from food.
不及物1677 George Fox, The Hypocrites Fast and Feast Not God's Holy Day, p. 8 (paraphrasing Matthew 6:16-18). And is it not the Command of Christ, that in their Fast they should not appear unto men to fast?
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2.
To reduce or limit one's nutrition intake for medical or health reasons, to diet.
不及物 -
3.
To cause (a person or animal) to abstain, especially from eating.
斋戒
禁食
绝食
及物At 11 weeks of age, all mice were fasted overnight and underwent gallbladder ultrasonography to determine ejection fraction.
Kittens, when fasted overnight, were not hypoglycemic (<60 mg/dl).
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1.
Firmly or securely fixed in place; stable.
牢的
过时That rope is dangerously loose. Make it fast!
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2.
Firm against attack; fortified by nature or art; impregnable; strong.
-
3.
Steadfast, with unwavering feeling. (Now mostly in set phrases like fast friend(s).)
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4.
Moving with great speed, or capable of doing so; swift, rapid; light.
快
I am going to buy a fast car.
-
5.
Moving with great speed, or capable of doing so; swift, rapid; light.
Having a kinetic energy between 1 million and 20 million electron volts; often used to describe the energy state of free neutrons at the moment of their release by a nuclear fission or nuclear fusion reaction (i.e., before the neutrons have been slowed down by anything).
Plutonium-240 has a much higher fission cross-section for fast neutrons than for thermal neutrons.
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6.
Of a place, characterised by business, hustle and bustle, etc.
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7.
Causing unusual rapidity of play or action.
a fast racket, or tennis court
a fast track
a fast billiard table
a fast dance floor
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8.
Able to transfer data in a short period of time.
计算机 工程 数学 -
9.
Deep or sound (of sleep); fast asleep (of people).
-
10.
Not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent.
不褪色的
All the washing has come out pink. That red tee-shirt was not fast.
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11.
Tenacious; retentive.
废旧 -
12.
Having an extravagant lifestyle or immoral habits.
过时a fast woman
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13.
Uncharacteristically mature or promiscuous for one's age.
过时 冒犯 -
14.
Ahead of the correct time or schedule.
偏快的
There must be something wrong with the hall clock. It is always fast.
-
15.
More sensitive to light than average.
迅速曝光的
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1.
In a firm or secure manner, securely; in such a way as not to be moved; safe, sound .
牢固地
Hold this rope as fast as you can.
-
2.
Deeply or soundly .
The princess was sleeping fast, and her servants were fast asleep too.
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3.
Immediately following in place or time; close, very near .
The horsemen came fast on our heels.
Fast by the sturdy batsman the ball unheeded sped. / That ain't my style, said Casey. Strike one, the umpire said.
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4.
Quickly, with great speed; within a short time .
快
快速
Do it as fast as you can.
-
5.
Ahead of the correct time or schedule.
快于标准时间
I think my watch is running fast.
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1.
Ellipsis of stand fast, a warning not to pass between the arrow and the target.
政治 体育 军事
词汇关系
同义词 1
相关短语
词源
From Middle English fast, fest, from Old English fæst (“firm, secure”), from Proto-West Germanic *fast, from Proto-Germanic *fastuz; see it for cognates and further etymology. The development of “rapid” from an original sense of “secure” apparently happened first in the adverb and then transferred to the adjective; compare hard in expressions like “to run hard”. The original sense of “secure, firm” is now slightly archaic, but retained in the related fasten (“make secure”). Also compare close meaning change from Latin rapiō (“to snatch”) to Latin rapidus (“rapid, quick”), from Irish sciob (“to snatch”) to Irish sciobtha (“quick”).
来源：wiktionary