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单词 crack
释义
verb | noun | adjective
crackcrack1 /kræk/ ●●● S2 W2 verb Etymology
ETYMOLOGYcrack1
Origin: Old English cracian
Verb Table
VERB TABLE
crack
Simple Form
PresentI, you, we, theycrack
he, she, itcracks
PastI, you, he, she, it, we, theycracked
Present perfectI, you, we, theyhave cracked
he, she, ithas cracked
Past perfectI, you, he, she, it, we, theyhad cracked
FutureI, you, he, she, it, we, theywill crack
Future perfectI, you, he, she, it, we, theywill have cracked
Continuous Form
PresentIam cracking
he, she, itis cracking
you, we, theyare cracking
PastI, he, she, itwas cracking
you, we, theywere cracking
Present perfectI, you, we, theyhave been cracking
he, she, ithas been cracking
Past perfectI, you, he, she, it, we, theyhad been cracking
FutureI, you, he, she, it, we, theywill be cracking
Future perfectI, you, he, she, it, we, theywill have been cracking
Collocations
COLLOCATIONS
 She cracked him over the head with a hammer.
 Some students crack under the strain.
 It took nearly two months to crack the code. This new evidence could help detectives to crack the case.
 Police have cracked a drug ring that was operating in the nightclub.
Thesaurus
THESAURUSinto pieces
if something breaks or you break it, it separates into two or more pieces, for example because it has been hit, dropped, or bent:  Somebody broke the window and the car alarm went off. Careful, those glasses break easily.
used when a plate, glass, etc. breaks or is broken with a lot of force:  Angry crowds smashed windows downtown. The plate smashed when it hit the floor.
used when a plate, glass, etc. breaks into a lot of small pieces:  The bomb blast shattered the windows of cars and buildings. The mirror fell and shattered.
used when something begins to break in a way that makes a line on the surface:  The glass was cracked, and water was leaking out.
used when something breaks along a straight line:  She swung the axe and split the log right down the middle.
used when paper or cloth separates into pieces:  Tear the cloth into three long strips. My jeans tore when I climbed over the fence.
used about something hard and thin that breaks into two pieces, making a loud noise:  A stick snapped under her feet.
used when a pipe with liquid inside it breaks:  One of the pipes in the basement had burst.
used when a container, wall, pipe, etc. breaks so that what it is holding comes out:  The airplane’s fuel tank ruptured when it crashed.
used when a bubble or balloon breaks:  A single balloon floated up into a tree and popped.
used when a bone in your body cracks or breaks:  She fractured her leg in a skiing accident.
1BREAK/DAMAGE [intransitive, transitive] to damage something so that it gets one or more lines on its surface and may eventually break into pieces, or to become damaged in this way:  Don’t put boiling water in the glass or it will crack. He fell while skiing and cracked a rib.► see thesaurus at break12MAKE SOUND [intransitive, transitive] to make a sudden quick sound like the sound of something breaking, or to make something do this:  Her stiff joints cracked as she got out of her easy chair. Cowboys cracked their whips as they herded the cattle.3HIT [transitive] a)to accidentally hit a part of your body hard, especially your head: crack something on/against something Jim cracked his head on the bottom of the bunkbed. b)to hit someone hard on the head with an object:  She cracked him over the head with a hammer.4VOICE [intransitive] if your voice cracks, it changes from one level to another suddenly because of strong emotions:  His voice cracked slightly as he tried to explain.5UNDER PRESSURE [intransitive] to be unable to continue doing something because there is too much pressure and you do not have the mental strength to continue:  If I don’t get some time off soon, I’ll be so stressed I’ll crack. He finally cracked and confessed to the police.crack under the pressure/strain/burden etc. Some students crack under the strain.6EGG/NUT [transitive] to break the outside part of something, such as an egg or a nut, in order to get what is inside it:  He cracked a couple of eggs into a pan.7crack a joke informal to tell a joke:  He was relaxed and cracking jokes, despite his ordeal.8SOLVE/UNDERSTAND [transitive] to find the answer to a problem or manage to understand something that is difficult to understand SYN solve: crack a problem/code/case It took nearly two months to crack the code. This new evidence could help detectives to crack the case.9STOP WORKING WELL [intransitive] to be unable to continue doing something or working well because of a serious problem SYN crack up:  The Social Security system is cracking.10BECOME SUCCESSFUL [transitive] to pass a particular level or measure of success in business or a sport:  It’s the first time the Spartans have cracked the top 20 in the rankings.11STOP A GROUP [transitive] to stop a group of people from doing illegal activities:  Police have cracked a drug ring that was operating in the nightclub.12STEAL [transitive] to open a safe illegally, in order to steal what is inside13COMPUTER computers to illegally copy computer software by finding out how to avoid the protections that are intended to keep you from doing this14crack a smile informal to smile when you have been serious, sad, or angry:  The security guard did not crack a smile.15crack (open) a bottle/the champagne etc. informal to open a bottle of alcohol for drinking:  Let’s crack open a bottle to celebrate!16get cracking (on something) informal to start doing something or going somewhere as quickly as possible:  I’m going to the library – I’ve got to get cracking on this paper.17crack a book (also crack the books) to read or study:  The test is tomorrow and he hasn’t even cracked a book yet.18crack a window to open a window, especially one in a car, a small amount19crack the whip informal to make people you have control over work very hard:  As editor, Dorothy likes to crack the whip.crack down phrasal verb to become more strict in dealing with a problem and punishing the people involved: crack down on We have to crack down on software pirates.[Origin: Old English cracian] → see also crackdowncrack into something phrasal verb to secretly enter someone else’s computer system, especially in order to damage the system or steal the information stored on it:  A teenager was accused of cracking into the company’s network. → see also hack1crack up phrasal verb informal1crack somebody up to laugh a lot at something, or to make someone laugh a lot:  She tried to keep a straight face, but she kept cracking up. That joke still cracks me up. → see also crackup2 informal to suddenly become mentally ill and unable to continue your normal life:  If I don’t get some time off soon, I’ll crack up.3something’s not all it’s cracked up to be informal used to say that something is not as good as people say it is:  The movie was OK, but it’s not all it’s cracked up to be.4 to be unable to continue doing something or working well because of a serious problem:  The whole transit system is cracking up.
verb | noun | adjective
crackcrack2 ●●● S3 noun Collocations
COLLOCATIONS
 I crossed the room and opened the door a crack.
 Roger made a crack about his girlfriend’s weight.
 You should take another crack at that Camus book.
Thesaurus
THESAURUSspace something can go through
a space in something solid that allows light or things to pass through:  These socks are full of holes.
a hole or space that lets you see or go through something:  The dog got out through an opening in the fence.
an empty area between two things or two parts of something, especially where you can put something:  There’s a space for that box on the shelf over there.
gap means the same as space, but you use it especially when something is broken or missing:  There was a gap between the two fences that she could squeeze through.
a very narrow space between two things or two parts of something:  John peeked through the crack in the door.
a long, narrow hole that you put something in:  I put the letter through the mail slot.
a small hole that lets liquid or gas flow into or out of something:  The mechanic found a leak in the fuel tank.
a small round hole made by something sharp, especially one that gas or liquid comes out of:  Experts do not know what made the puncture in the side of the plane.
1NARROW SPACE [countable] a very narrow space between two things or two parts of something: crack in Weeds grew from every crack in the sidewalk.crack between a crack between two rocks I crossed the room and opened the door a crack.► see thesaurus at hole12BREAK [countable] a thin line on the surface of something when it is broken but has not actually come apart:  The wall was full of cracks.crack in The cup had a crack in it.3PROBLEM [countable] a weakness or fault in an idea, system, organization, relationship, etc.:  Cracks began to appear in the facade of their perfect family.crack in Disagreements over such issues could cause cracks in the coalition.4SOUND [countable] a sudden loud very sharp sound like the sound of a stick being broken:  The branch broke with a sudden crack.crack of a loud crack of thunder5JOKE [countable] informal a cruel joke or remark:  Roger made a crack about his girlfriend’s weight.6ATTEMPT [countable] informal an opportunity or attempt to do something, especially for the first time: crack at This is Hearst’s first crack at painting. You should take another crack at that Camus book.7DRUG (also crack cocaine) [uncountable] a very pure form of the illegal drug cocaine, that some people smoke for pleasure8at the crack of dawn very early in the morning:  They both had to get up at the crack of dawn the next morning.9fall/slip through the cracks to not be helped by a system that is supposed to help with a particular problem:  Some kids will slip through the cracks of the educational system.10a crack in somebody’s voice a sudden change in the level of someone’s voice, especially because he or she is very upset:  He noticed the crack in her voice as she tried to continue.11a crack on the head a hard hit on the head12somebody’s crack slang the space in the middle of someone’s buttocks
verb | noun | adjective
crackcrack3 adjective [only before noun] Collocations
COLLOCATIONS
 She’s a crack shot (=good at shooting).
 having a lot of skill:  She’s a crack shot (=good at shooting).
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更新时间：2025/2/3 10:50:53