fast

fast读音音标

英 [fɑ:st]

美 [fæst]

fast意思解释

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；

变形

过去式：fasted

过去分词：fasted

现在分词：fasting

第三人称单数：fasts

双语释义

adj.(形容词)

快的,迅速的 a person or thing that can move quickly

adv.(副词)

快,迅速地quickly紧紧地,牢固地 fixed; not easy to move

英英释义

fast

[ fɑ:st, fæst ]

n.

abstaining from food

同义词：fasting

v.

abstain from certain foods, as for religious or medical reasons

\"Catholics sometimes fast during Lent\"

abstain from eating

\"Before the medical exam, you must fast\"

adj.

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\"

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

\"my watch is fast\"

at a rapid tempo

\"the band played a fast fox trot\"

(of surfaces) conducive to rapid speeds

\"a fast road\"; \"grass courts are faster than clay\"

firmly fastened or secured against opening

\"windows and doors were all fast\"

同义词：barredboltedlatchedlockedsecured

resistant to destruction or fading

\"fast colors\"

unrestrained by convention or morality

\"fast women\"

同义词：debaucheddegeneratedegradeddissipateddissolutelibertineprofligateriotous

hurried and brief

\"a fast visit\"

同义词：flyingquick

securely fixed in place

同义词：firmimmobile

unwavering in devotion to friend or vow or cause

\"fast friends\"

同义词：firmloyaltruehearted

adv.

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\"

firmly or tightly

\"held fast to the rope\"; \"her foot was stuck fast\"

同义词：tight

词汇搭配

用作形容词 (adj.)～+名词fast bus疾驶的公共汽车fast car疾驶的小汽车fast colour经久不变的颜色fast food快餐食品fast friend可靠的朋友fast grip紧紧抓住fast highway快车道fast life放荡的生活fast lunch快餐fast music节奏快的音乐fast reading快速阅读fast river水流急的河fast rules严格的规则fast train快车fast trip短期旅行fast troop快速部队fast way捷径fast woman放荡的女人fast worker动作快的工人

词组短语

fast food

速食，快餐

as fast as

和…一样快

fast growth

快速生长

fast response

快速响应

fast algorithm

快速算法

fast fourier transform

快速傅里叶变换

hold fast

v. 紧紧抓住

stand fast

不让步；不后退

fast moving

adj. 快速移动的

fast track

快速立法；快速通道

fast and furious

飞快地

fast food restaurant

速食店

fast asleep

熟睡的；很快地入睡

fast lane

快车道

hard and fast

严格的；固定不变的

fast ethernet

快速以太网

fast reaction

快速反应；快速核反应

fast time

夏令时间；日光节约时间（daylight-saving time）

fast dry

快干

fast train

快车

同近义词辨析

hasty, quick, prompt, fast, instant, rapid, speedy, swift

hasty

多指匆忙、草率或仓促的行动，着重缺乏深思熟虑。

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。

prompt

主要指动作迅速，毫不拖延，含“快得令人愉悦”的意味。

fast

常指人或物持续地高速运动，强调运动的方式。

instant

指某事很快发生或急待解决，含刻不容缓之意。

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。

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。

swift

正式用词，强调非常迅速，往往含动作轻快敏捷之意。

fast, quickly

fast

侧重于指人或物体具有运动速度快的特点, run fast,

quickly

侧重指某事完成或发生的快 answer the question quickly

双语例句

用作形容词(adj.)I like fast music.我喜欢节奏快的音乐。The star was whipped into a fast car and driven off.那个明星迅速上了一辆汽车疾驶而去。The post is fast in the ground.那柱子牢牢地埋在地里.He led a fast life.他过着放荡的生活。用作副词(adv.)He ran fast enough to catch the thief.他跑得飞快，足以抓住那小偷。Bind the rope fast lest it should come loose.把绳子绑牢，免得它松脱。He is living too fast for his health.他现在的生活过于放荡，于健康不利。The boat was stuck fast in the mud.那船深深地陷在泥里.用作名词(n.)The priest had only water and bread during his three week fast.牧师在三个星期的斋戒期间只进食水和面包。So the meal that breaks your fast should be healthy and wholesome.因此解除禁食的这一餐应该是健康有益的。用作动词(v.)They have to fast from dawn to dusk.他们一整天都得禁食。Before the medical exam, you must fast.在体检之前，你必须禁食。