Tra từ quick - Từ điển Oxford Advanced Learner 8th

quick [quick quicks quicker quickest] adjective, adverb, noun BrE [kwɪk] NAmE [kwɪk]
adjective (quick·er, quick·est)
1. done with speed; taking or lasting a short time
• She gave him a quick glance.
• These cakes are very quick and easy to make.
•Would you like a quick drink?
•The doctor said she'd make a quick recovery.
•It's quicker by train.
•Are you sure this is the quickest way?
•Have you finished already? That was quick!
•His quick thinking saved her life.
•He fired three shots in quick succession.
see also ↑double quick
2. moving or doing sth fast
•a quick learner
•~ (to do sth) The kids were quick to learn.
• She was quick (= too quick) to point out the mistakes I'd made.
•Her quick hands suddenly stopped moving.
•Try to be quick! We're late already.
•Once again, his quick wits (= quick thinking) got him out of an awkward situation.
• (NAmE, informal)He's a quick study (= he learns quickly).
3. only before noun happening very soon or without delay
• We need to make a quick decision.
• The company wants quick results.
•There isn't a quick answer to this problem.
more at make a fast/quick buck at ↑buck _n., be quick/fast on the draw at ↑draw _n., be quick/slow off the mark at ↑mark _n., be quick/slow on the uptake at ↑uptake

Word Origin:
Old English cwic, cwicu ‘alive, animated, alert’, of Germanic origin; related to Dutch kwiek ‘sprightly’ and German keck ‘saucy’, from an Indo-European root shared by Latin vivus ‘alive’ and Greek bios, zōē ‘life’.

Thesaurus:
quick adj.
1.
•She gave him a quick glance.
rapid • • fast • • hurried • • speedy • • short • • brief • |often disapproving hasty • |written swift • • fleeting •
Opp: slow
a quick/rapid/fast/hurried/hasty/swift exit
a quick/rapid/fast/speedy/hasty/swift decision
a quick/rapid/short/swift answer/reply/descent
a quick/rapid/swift/brief/fleeting look/glance
2.
•He's a very quick worker.
fast • • brisk • • high-speed • • express • • supersonic •
Opp: slow
quick/fast at doing sth
a quick/fast/brisk movement/pace/walk/run
a quick/fast reader/worker/learner/rhythm/walk/run
Quick or fast? Use fast to talk about travelling:
•a fast road/car
✗ a quick road/car A person may be fast or quick, but fast is not used in expressions where sb does sth in a short time:
•a fast/quick reader/runner/learner
• The kids were quick to learn
✗ The kids were fast to learn.

Synonyms:
fast / quick / rapid
These adjectives are frequently used with the following nouns:

Fast is used especially to describe a person or thing that moves or is able to move at great speed.
Quick is more often used to describe something that is done in a short time or without delay.
Rapid, swift and speedy are more formal words.
Rapid is most commonly used to describe the speed at which something changes. It is not used to describe the speed at which something moves or is done: a rapid train ◇ We had a rapid coffee.
Swift usually describes something that happens or is done quickly and immediately: ▪ a swift decision ◇ ▪ The government took swift action.
Speedy has a similar meaning: ▪ a speedy recovery. It is used less often to talk about the speed at which something moves: a speedy car.
For the use of fast and quick as adverbs, see the usage note at ↑quick.

Example Bank:
•I was getting quite quick at putting up fences.
•It was a mercifully quick end for those condemned to die.
•We'd better be quick.
•a really quick worker
•an extremely quick worker
•meals that are quick and easy to prepare
•He's a very quick worker.
•It's quicker by train.
•She was quick to point out the mistakes I'd made.
•There isn't a quick answer to this problem.
•Try to be quick! We're late already.
Idioms: ↑cut somebody to the quick ▪ ↑have a quick temper ▪ ↑quick and dirty ▪ ↑quick as a flash

adverb (quick·er, quick·est)
1. quickly; fast
•Come as quick as you can!
•Let's see who can get there quickest.
•It's another of his schemes to get rich quick.
2. quick- (in adjectives)doing the thing mentioned quickly
•quick-thinking
•quick-growing

Word Origin:
Old English cwic, cwicu ‘alive, animated, alert’, of Germanic origin; related to Dutch kwiek ‘sprightly’ and German keck ‘saucy’, from an Indo-European root shared by Latin vivus ‘alive’ and Greek bios, zōē ‘life’.

Which Word?:
quick / quickly / fast
Quickly is the usual adverb from quick: ▪ I quickly realized that I was on the wrong train. ◇ ▪ My heart started to beat more quickly.
Quick is sometimes used as an adverb in very informal language, especially as an exclamation: ▪ Come on! Quick! They’ll see us! Quicker is used more often: ▪ My heart started to beat much quicker. ◇ ▪ The quicker I get you away from here, the better.
Fast is more often used when you are talking about the speed that somebody or something moves at: ▪ How fast can a cheetah run? ◇ ▪ Can’t you drive any faster? ◇ You’re driving too quickly. There is no word fastly.

noun the quicksingular
the soft, sensitive flesh that is under your nails
•She has bitten her nails down to the quick.

Word Origin:
Old English cwic, cwicu ‘alive, animated, alert’, of Germanic origin; related to Dutch kwiek ‘sprightly’ and German keck ‘saucy’, from an Indo-European root shared by Latin vivus ‘alive’ and Greek bios, zōē ‘life’.