fast

abstaining from food

禁食

fasting

abstain from eating

禁食

Before the medical exam, you must fast

体检前，你必须禁食

abstain from certain foods, as for religious or medical reasons

出于或医学上的原因，不吃某些食物

Catholics sometimes fast during Lent

天主在四旬斋期间有时斋戒

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

（指照相镜头或乳剂）缩短曝光时间

a fast lens

快速镜头

acting or moving or capable of acting or moving quickly

行动的、移动的或能够迅速行动或移动的

fast film

快速胶卷

on the fast track in school

在学校的快车道上

set a fast pace

加快步伐

a fast car

快车

at a rapid tempo

以快节奏

the band played a fast fox trot

乐队演奏了一支快速的狐步舞

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

（用来指计时器）指示在正确时间之前或之后的时间

my watch is fast

我的表快

securely fixed in place

牢固固定到位

the post was still firm after being hit by the car

那柱子被汽车撞后仍然很牢

firm

immobile

hurried and brief

匆匆忙忙

paid a flying visit

飞来拜访

took a flying glance at the book

匆匆看了一眼那本书

a quick inspection

快速检查

a fast visit

快速访问

flying

quick

unrestrained by convention or morality

Congr draws a debauched aristocratic society

deplorably dissipated and degraded

riotous living

的生活

fast women

debauched

degenerate

degraded

dissipated

dissolute

libertine

profligate

riotous

resistant to destruction or fading

fast colors

快速颜色

(of suces) conducive to rapid speeds

（指表面）有助于加快速度

a fast road

grass courts are faster than clay

草地比粘土快

quickly or rapidly (often used as a combining form)

快速的或快速的（常用作组合形式）

how fast can he get here?

他能多快到这里？

ran as fast as he could

needs medical fast

需要快速的医疗救助

fast-running rivers

fast-breaking news

突发新闻

fast-opening (or fast-closing) shutters

快开（或快关）百叶窗

firmly or closely

紧紧地

held fast to the rope

紧紧抓住绳子

her foot was stuck fast

她的脚卡得很紧

held tight

紧紧抓住

tight