fast
fast1
adjective
pull a fast one
fast2
verb
adjective
- moving or capable of moving at high speed
快速的，高速的
a fast and powerful car.
一辆马力强劲的高速汽车。
■performed or taking place at high speed; taking only a short time
迅速的，耗时少的
the journey was fast and enjoyable.
这次旅行虽然短暂，却很愉快。
■[attrib.]allowing people or things to move at high speed
可供高速移动的
a wide, fast road.
宽阔的快车道。
■performing or able to perform a particular type of action quickly
（做某事）快速的，迅速的
a fast reader.
快速阅读者。
■(of a sports field or ground) likely to make the ball bounce or run quickly or to allow competitors to reach a high speed
（运动场地）适合快速运动的
■(of a person or their lifestyle) engaging in or involving exciting and daring or shocking activities
（人，生活方式）放荡的，大胆的；刺激的；耸人听闻的
the fast life she led in London.
她在伦敦过的放荡生活。 - [predic. or as complement](of a clock or watch) showing a time ahead of the correct time
（钟表）走得快
I keep my watch fifteen minutes fast.
我总是让表快15分钟。 - firmly fixed or attached
（固定或粘合得）牢实的，紧的
he made a rope fast to each corner.
他把绳子牢牢地固定在每个角上。
■(of friends) close and loyal
（朋友）亲密而忠实的
■(of a dye) not fading in light or when washed
（染料）不褪色的，持久的 - (Photography)(of a film) needing only a short exposure
(摄)（胶片）感光快的，曝光时间短的
■(of a lens) having a large aperture and therefore suitable for use with short exposure times
（镜头）适合短时间曝光的 - (亦作 farse)(W. Indian)(of a person) prone to act in an unacceptably familiar way, typically by being inquisitive or gossipy
(西印度)（人）过于热乎的（尤指好盘根问底、好饶舌）；多事的
Mammy said, ‘Stop asking questions, you too damn farse.’.
妈妈说：“别再问个不停了，你太多事了。”。
- at high speed
高速地，迅速地，快速地
he was driving too fast.
他车开得太快。
■within a short time
迅速；尽快
we're going to have to get to the bottom of this fast.
我们得赶快把事情弄个水落石出。 - so as to be hard to move; firmly or securely
稳固地，牢固地；紧紧地
the ship was held fast by the anchor chain.
船被锚链牢牢地稳住了。
■(of sleeping) so as to be hard to wake
（睡眠）香甜的，深沉的
they were too fast asleep to reply.
他们睡得太熟，没有答话。
pull a fast one
- (informal)try to gain an unfair advantage
(非正式)占便宜；揩油水
he had been trying to pull a fast one on his co-producer.
他一直在设法占他的合伙制片人的便宜。
- Old English fæst 'firmly fixed, steadfast' and fæste 'firmly, securely', of Germanic origin; related to Dutch vast and German fest 'firm, solid' and fast 'almost'. In Middle English the adverb developed the senses 'strongly, vigorously' (compare with run hard), and 'close, immediate' (just surviving in the archaic and poetic fast by; compare with hard by), hence 'closely, immediately' and 'quickly'; the idea of rapid movement was then reflected in adjectival use
fast2
verb
- [no obj.]abstain from all or some kinds of food or drink, especially as a religious observance
绝食，禁食（尤指斋戒）
■(be fasted)(technical)be deprived of all or some kinds of food, especially for medical or experimental reasons
(技)（为治疗、试验而）空腹
all patients were fasted before surgery.
所有的病人在做外科手术前都是空腹的。
- an act or period of fasting
斋戒；斋戒期
a five-day fast.
为期五天的斋戒期。
- Old English fæstan (verb), of Germanic origin; related to Dutch vasten and German fasten, also to Old Norse fasta, the source of the noun
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