好词典

fast

UK /fɑːst/US /fæst/

词源

源自古英语'fæst'(牢固的,固定的),与古高地德语'fast'同源。'快速'的语义发展自'牢固'的概念(如'hold fast'),后引申为'紧跟着移动'即'快速'。禁食义项来自'坚守(不进食)的承诺'。

adjective

❶ 形容移动或发生速度很快的事物,指在短时间内完成动作或达到目标的状态。

“The cheetah is the fastest land animal.”

(猎豹是陆地上速度最快的动物。)

“She typed at a fast speed to finish the report.”

(她打字速度很快,以便完成报告。)

❶ 指钟表时间比实际时间快,需要调整到正确时间。

“My watch is five minutes fast.”

(我的手表快了五分钟。)

“The clock on the wall is fast, so we have extra time.”

(墙上的钟快了,所以我们还有多余时间。)

同义词:quick, rapid, speedy

adverb

❶ 以高速移动或行动的方式,强调动作的迅速性。

“He ran fast to catch the bus.”

(他跑得很快去赶公交车。)

“Please speak fast, we're running out of time.”

(请说快点,我们时间不多了。)

同义词:quickly, rapidly, swiftly

verb

❶ 自愿停止进食或减少进食,通常出于宗教、健康或抗议原因。

“Many people fast during Ramadan.”

(许多人在斋月期间禁食。)

“She decided to fast for three days for detox.”

(她决定禁食三天来排毒。)

同义词:abstain, starve

noun

❶ 一段自愿停止进食的时期,常见于宗教仪式或健康计划中。

“The religious fast lasts for 40 days.”

(这次宗教斋戒持续40天。)

“She broke her fast with a light meal at noon.”

(她在中午用一顿便餐结束了禁食。)

同义词:fasting, abstinence

常见短语

fast asleep — 形容人睡得很熟,不容易被吵醒的状态。

“The baby was fast asleep when the phone rang.”

(电话响起时,宝宝正睡得香甜。)

play fast and loose — 指不认真对待规则或承诺,行为反复无常不可靠。

“He played fast and loose with the company's money.”

(他对公司的资金管理很不负责任。)

fast track — 加速进程的特殊通道,使某人或某事能比常规更快取得成功或进展。

“She was put on the fast track to promotion.”

(她被列入快速晋升通道。)