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单词 half
释义

half

noun
 
/hɑːf/
/hæf/
(plural halves
/hɑːvz/
/hævz/
)
Idioms
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  1.  
     either of two equal parts into which something is or can be divided
    • two and a half kilos (= 2½)
    • One and a half hours are allowed for the exam.
    • An hour and a half is allowed for the exam.
    • half of something in the first half of the 20th century
    • The second half of the book is more exciting.
    • The two halves of the city were reunited in 1990.
    • the left half of the brain
    • the lower half of the window
    • the northern half of the country
    • in half I've divided the money in half.
    • by half We'll need to reduce the weight by half.
    Grammar Point half / whole / quarterhalf / whole / quarter
    • Quarter, half and whole can all be nouns:
      • Cut the apple into quarters.
      • Two halves make a whole.
    • Whole is also an adjective:
      • I’ve been waiting here for a whole hour.
    • Half is also a determiner:
      • Half (of) the work is already finished.
      • They spent half the time looking for a parking space.
      • Her house is half a mile down the road.
      Note that you do not put a or the in front of half when it is used in this way:
      • I waited for half an hour
      • I waited for a half an hour.
    • Half can also be used as an adverb:
      • This meal is only half cooked.
    see also halve
    Extra Examples
    • Cut the remaining half into large chunks.
    • Over a half of all accidents happen in the home.
    • She's four and a half years old now.
    • in the latter half of the 19th century
    • the rear half of the car
    • We split the work half and half.
    Oxford Collocations Dictionaryadjective
    • first
    • second
    • last
    • …
    preposition
    • by half
    • in half
    • in the… half
    • …
    phrases
    • about half
    • almost half
    • around half
    • …
    See full entry
  2.  
     either of two periods of time into which a sports game, concert, etc. is divided
    • in the… half No goals were scored in the first half.
    • half of something She played well in the second half of the match.
    • He made two superb saves in the first two minutes of the half.
    • We had a few chances to score in both halves.
    Topics Sports: ball and racket sportsa1
    Oxford Collocations Dictionaryadjective
    • first
    • second
    • last
    • …
    preposition
    • by half
    • in half
    • in the… half
    • …
    phrases
    • about half
    • almost half
    • around half
    • …
    See full entry
  3. (also half back, North American English halfback)
     one of the defending players in hockey or rugby whose position is between those who play at the front of a team and those who play at the back see also scrum half
  4. (also half back, North American English halfback, tailback)
     one of the two attacking players in american football whose position is behind the quarterback and next to the full backs
  5. (also half back, North American English halfback)
     [uncountable] the position a half back plays at (also called a tailback in american football)
  6. (British English, informal) half a pint (= 0.568 of a litre in the UK and some other countries, and 0.473 of a litre in the US) of beer or a similar drink
    • Two halves of bitter, please.
    More Like This Silent lettersSilent letters
    • gnarled
    • gnash
    • gnat
    • gnaw
    • gnome
    • haute cuisine
    • heir
    • herb
    • honour
    • hors d’oeuvre
    • hour
    • knack
    • knee
    • kneel
    • knife
    • knight
    • knit
    • knob
    • knock
    • knot
    • know
    • knuckle
    • psalm
    • psephology
    • psychic
    • ptarmigan
    • pterodactyl
    • psychology
    • wrangle
    • wrap
    • wreath
    • wreck
    • wrench
    • wrestle
    • wriggle
    • wring
    • write
    • wrong
    • bomb
    • climb
    • crumb
    • doubt
    • lamb
    • limb
    • ascent
    • fascinate
    • muscle
    • scene
    • scissors
    • height
    • right
    • sleigh
    • weight
    • align
    • campaign
    • design
    • foreign
    • malign
    • reign
    • unfeigned
    • balmy
    • calm
    • calf
    • half
    • yolk
    • autumn
    • column
    • condemn
    • damn
    • hymn
    • solemn
    • bristle
    • fasten
    • listen
    • mortgage
    • soften
    • thistle
    • wrestle
    • biscuit
    • build
    • circuit
    • disguise
    • guilty
    • league
    • rogue
    • vague
    • yacht
    • answer
    • sword
    • two
    7. Word OriginOld English half, healf, of Germanic origin; related to Dutch half and German halb (adjectives). The earliest meaning of the Germanic base was ‘side’, also a noun sense in Old English.
Idioms
and a half
  1. (informal) bigger, better, more important, etc. than usual
    • That was a game and a half!
do nothing/not do anything by halves
  1. to do whatever you do completely and to the greatest possible degree
    • You're expecting twins? Well, you never did do anything by halves.
go half and half | go halves (with somebody)
  1. to share the cost of something equally with somebody
    • We go halves on all the bills.
the half of it
  1. used in negative sentences to say that a situation is worse or more complicated than somebody thinks
    • ‘It sounds very difficult.’ ‘You don't know the half of it.’
have a good mind to do something | have half a mind to do something
  1. used to say that you think you will do something, although you are not sure
    • I've half a mind to come with you tomorrow.
    Topics Doubt, guessing and certaintyc2
  2. used to say that you think that what somebody has done is bad and should do something about it, although you probably will not
    • I've a good mind to write and tell your parents about it.
how the other half lives
  1. the way of life of a different social group, especially one much richer than you
it’s six of one and half a dozen of the other
  1. (saying) used to say that there is not much real difference between two possible choicesTopics Preferences and decisionsc2
time and a half
  1. one and a half times the usual rate of pay
    • We get time and a half on Sundays.
    see also double time
too clever, etc. by half
  1. (British English, informal, disapproving) clever, etc. in a way that annoys you or makes you not trust somebody/something

half

determiner, pronoun
 
/hɑːf/
/hæf/
Idioms
jump to other results
  1.  
     an amount equal to half of something/somebody
    • I'll see you in half an hour.
    • Half (of) the fruit was bad.
    • Half of the money was mine.
    • He has a half share in the company.
    • Out of 36 candidates, half passed.
    Grammar Point half / whole / quarterhalf / whole / quarter
    • Quarter, half and whole can all be nouns:
      • Cut the apple into quarters.
      • Two halves make a whole.
    • Whole is also an adjective:
      • I’ve been waiting here for a whole hour.
    • Half is also a determiner:
      • Half (of) the work is already finished.
      • They spent half the time looking for a parking space.
      • Her house is half a mile down the road.
      Note that you do not put a or the in front of half when it is used in this way:
      • I waited for half an hour
      • I waited for a half an hour.
    • Half can also be used as an adverb:
      • This meal is only half cooked.
    Language Bank proportionproportionDescribing fractions and proportions
      • According to this pie chart, a third of students’ leisure time is spent watching TV.
      • One in five hours is/​are spent socializing.
      • Socializing accounts for/makes up/comprises about 20 per cent of leisure time.
      • Students spend twice as much time playing computer games as doing sport.
      • Three times as many hours are spent playing computer games as reading.
      • The figure for playing computer games is three times higher than the figure for reading.
      • The largest proportion of time is spent playing computer games.
  2. half the time, fun, trouble, etc. the largest part of something
    • Half the fun of gardening is never knowing exactly what's going to come up.
    • Half the time you don't even listen to what I say.
    3. Word OriginOld English half, healf, of Germanic origin; related to Dutch half and German halb (adjectives). The earliest meaning of the Germanic base was ‘side’, also a noun sense in Old English.
Idioms
half a loaf (is better than no bread)
  1. (saying) you should be grateful for something, even if it is not as good, much, etc. as you really wanted; something is better than nothing
    • The offer only amounted to half a loaf, but campaigners grabbed it anyway.
half a minute, second, etc.
  1. (informal) a short time
    • Hang on. I'll be ready in half a minute.
half past one, two, etc.
 
(also British English, informal half one, two, etc.)
  1. 30 minutes after any hour on the clockTopics Timea1

half

adverb
 
/hɑːf/
/hæf/
Idioms
jump to other results
  1.  
     to the extent of half
    • The glass was half full.
    • The hall was half empty.
    • She is half Italian.
  2.  
     partly
    • The chicken was only half cooked.
    • half-closed eyes
    • I was still half asleep.
    • I half expected them to follow us.
    • I'm half inclined to agree.
    Grammar Point half / whole / quarterhalf / whole / quarter
    • Quarter, half and whole can all be nouns:
      • Cut the apple into quarters.
      • Two halves make a whole.
    • Whole is also an adjective:
      • I’ve been waiting here for a whole hour.
    • Half is also a determiner:
      • Half (of) the work is already finished.
      • They spent half the time looking for a parking space.
      • Her house is half a mile down the road.
      Note that you do not put a or the in front of half when it is used in this way:
      • I waited for half an hour
      • I waited for a half an hour.
    • Half can also be used as an adverb:
      • This meal is only half cooked.
    Extra Examples
    • The child looked half starved.
    • You're half right.
    3. Word OriginOld English half, healf, of Germanic origin; related to Dutch half and German halb (adjectives). The earliest meaning of the Germanic base was ‘side’, also a noun sense in Old English.
Idioms
half as many, much, etc. again (British English)
(US English half again as much)
  1. an increase of 50 per cent of the existing number or amount
    • Spending on health is half as much again as it was in 2009.
not half
  1. (British English, informal) used to emphasize a statement or an opinion
    • It wasn't half good (= it was very good).
    • ‘Was she annoyed?’ ‘Not half!’ (= she was extremely annoyed)
    Topics Opinion and argumentc2
not half as | not half such a
  1. not nearly
    • He is not half such a fool as they think.
    • The result was not half as bad as expected.
not half bad
  1. (informal) (used to show surprise) not bad at all; good
    • It really isn't half bad, is it?
    • I saw him yesterday, and he wasn't looking half bad.
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更新时间：2024/9/22 5:31:23