| 词组 | fast |
| 释义 | adjective | adverb fast1 /fɑːst $ fæst/ adjective 1. moving quickly or able to move quicklynounsa fast car/train/plane/boat Her husband liked driving fast cars.a fast runner/walker/driver Bolt is the fastest runner in the race.a fast pace They were walking at a fast pace and she found it hard to keep up.a fast time The fastest time for the 100 metres is under 10 seconds.the fast lane (=the part of a road for vehicles that can go fast) He pulled out into the fast lane to go past a truck.a fast road (=where people drive fast) Be careful when driving in the rain on fast roads.adverbsextremely/incredibly/unbelievably fast The plane is incredibly fast and can reach speeds of over 1,500 miles an hour.phrasesthe fastest ... in the world/on earth The cheetah is the fastest animal in the world.Fast or quick?Fast is the usual word to use when talking about speed of movement. You say a fast train or a fast runner (not a ‘quick’ one).Quick is the usual word to use when something takes a short time. You say a quick shower or a quick meal (not a ‘fast’ one). However, food that is made and eaten quickly is called fast food.When talking about the speed at which someone can do something, you can use either fast or quick. You can say She’s a fast learner, or a quick learner. However, you say a fast computer (not a ‘quick’ one).THESAURUS: fast high-speedtrain | line | service | rail link | collision | chase able to travel very quickly, or happening when someone is travelling very quickly: High-speed trains can travel from London to Paris in just over two hours. | The bus was involved in a high-speed collision but luckily no one was hurt. | The police caught up with the gang after a high-speed chase. supersonicaircraft | plane | jet | airliner | fighter | bomber | speed | flight a supersonic aircraft can travel faster than the speed of sound: Concorde was the world’s first supersonic passenger aircraft. | The Air Force's F–22 supersonic fighter cost billions of dollars. | The plane was travelling at supersonic speed. expresstrain | bus | coach | service an express train or bus travels quickly because it does not stop at many places: An express train suddenly came rushing past. | The airport express service operates every 15 minutes.You can also use express as a noun: It’s quicker if you take the express. swiftmovement | kick | stroke | water | current moving quickly. Swift sounds rather formal and is mainly used in written English: With a sudden swift movement, he seized the shotgun with his left hand. | She gave the door a swift kick. | He cut off the branch with one swift stroke. | The water was very swift, shallow, and rocky. briskwalk | pace quick and energetic: They went for a brisk walk in the countryside. | We set off at a brisk pace. fast-flowingriver | stream | water | current fast-flowing water moves quickly: He fell into the fast-flowing river.ANTONYMS → slow2. able to do something quicklynounsa fast computer/processor/chip Computer companies want faster chips, and faster means smaller.a fast machine It is one of the fastest machines on the market.a fast worker/learner/reader He’s a fast worker and he should have it done by lunchtime.THESAURUS: fast quicklearner | worker | reader | mind | brain able to do something quickly: He was a quick learner and his English seemed to get better every day. | His mind was surprisingly quick for someone of his age. high-speedbroadband | internet access high-speed internet connections operate very quickly: Do you have a high-speed broadband connection at home? | All rooms have high-speed internet access.ANTONYMS → slow3. taking only a short time to do somethingTHESAURUS: fast → quick (1) adjective | adverb fast2 /fɑːst $ fæst/ adverb at a high speedverbsgo/drive/travel fast You’re driving too fast – slow down.run/walk fast You can run much faster than I can.move fast (=take action quickly) The rescue workers knew that they had to move fast.work fast There’s a lot to do – we need to work fast.learn fast In this job, you have to learn fast.be falling/sinking fast The temperature was falling fast.be growing/rising fast Inflation is rising fast.be fading fast (=disappearing quickly) Outside the window, the light was fading fast.THESAURUS: fast quickly used especially about actions that do not take much time or things that happen in a short time: She looked quickly around the hall. | They quickly became good friends. | Quickly fry the onions, then add the meat. | I wanted to get out of the situation as quickly as possible. rapidly quickly – used about changes, increases, improvements etc: The population is growing rapidly. | Fashions change rapidly. | There is a rapidly expanding demand for air travel. swiftly quickly, especially so that an unwanted situation does not continue: The police reacted swiftly and arrested a man. | The government will have to act swiftly to get out of the crisis. promptly without any delay: She always pays her bills promptly. | Make sure you return your form promptly. | His brother took over the firm and promptly sold it. flat out informal as fast as you can: Everyone has been working flat out to get the job finished on time. | Increase your speed until you are running flat out. |
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