Online Google Dictionary

crack 中文解釋 wordnet sense Collocation Usage
Adjective
/krak/,
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cracks, plural;
  1. Very good, esp. at a specified activity or in a specified role
    • - he is a crack shot
    • - crack troops
Verb
  1. Break or cause to break without a complete separation of the parts
    • - the ice all over the lake had cracked
    • - a stone cracked the headlight glass on his car
  2. Break or cause to break open or apart
    • - you can see how the landmasses have cracked up and moved around
    • - his face cracked into a smile
    • - she cracked an egg into the frying pan
  3. Break (wheat or corn) into coarse pieces

  4. Open slightly
    • - gingerly, he cracks open his door
  5. Give way or cause to give way under torture, pressure, or strain
    • - the witnesses cracked and the truth came out
    • - no one can crack them—they believe their story
  6. Suffer an emotional breakdown under pressure

  7. Burst or cause to burst into laughter

  8. Make or cause to make a sudden sharp or explosive sound
    • - a shot cracked across the ridge
    • - he cracked his whip and galloped away
  9. Knock against something, making a noise on impact
    • - she winced as her knees cracked against metal
  10. Hit (someone or something) hard, making a sharp noise
    • - she cracked him across the forehead
  11. (of a person's voice, esp. that of an adolescent boy or a person under strain) Suddenly change in pitch
    • - “I want to get away,” she said, her voice cracking
  12. Find a solution to; decipher or interpret
    • - a hacker cracked the codes used in Internet software
  13. Break into (a safe)

  14. Succeed in achieving
    • - he cracked a brilliant goal
  15. Tell (a joke)
    • - he cracked jokes which she didn't find very funny
  16. Decompose (hydrocarbons) by heat and pressure with or without a catalyst to produce lighter hydrocarbons, esp. in oil refining
    • - catalytic cracking
Noun
  1. A line on the surface of something along which it has split without breaking into separate parts
    • - a hairline crack down the middle of the glass
  2. A narrow space between two surfaces, esp. ones that have broken or been moved apart
    • - he climbed into a crack between two rocks
    • - the door opened a tiny crack
  3. A vulnerable point; a flaw
    • - the company spotted a crack in their rival's defenses
  4. A sudden sharp or explosive noise
    • - a loud crack of thunder
  5. A sharp blow, esp. one that makes a noise
    • - she gave the thief a crack over the head with her rolling pin
  6. A sudden harshness or change in pitch in a person's voice
    • - the boy's voice had an uncertain crack in it
  7. A joke, typically a critical or unkind one

  8. An attempt to gain or achieve something
    • - I thought I had a crack at winning
  9. A chance to attack or compete with someone
    • - he wanted to have a crack at the enemy
  10. A hard, crystalline form of cocaine broken into small pieces and smoked


  1. a long narrow opening
  2. ace: of the highest quality; "an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"
  3. become fractured; break or crack on the surface only; "The glass cracked when it was heated"
  4. gap: a narrow opening; "he opened the window a crack"
  5. make a very sharp explosive sound; "His gun cracked"
  6. snap: make a sharp sound; "his fingers snapped"
  7. Project Prevention (founded and formerly known as or C.R.A.C.K.) is an American non-profit organization which also has a presence in the United Kingdom, which pays drug addicts cash for volunteering for long-term birth control, including sterilization. ...
  8. Crack cocaine is the freebase form of cocaine that can be smoked. It may also be termed rock, hard, iron, cavvy, base, or just crack. Manual of Adolescent Substance Abuse Treatment, Todd Wilk Estroff, M.D., 2001 (306 pages), pp. ...
  9. Craic or crack is a term for fun, entertainment, and enjoyable conversation, particularly prominent in Ireland. It is often used with the definite article – the craic. ...
  10. Crack spread is a term used in the oil industry and futures trading for the differential between the price of crude oil and petroleum products extracted from it - that is, the profit margin that an oil refinery can expect to make by "cracking" crude oil (breaking its long-chain hydrocarbons into ...
  11. The Crack Movement or literature of the Crack generation (la generación del "crack"), describes a literary movement in Mexico that began in the mid-1990s. ...
  12. Crack is a Unix password cracking program designed to allow system administrators to locate users who may have weak passwords vulnerable to a dictionary attack.
  13. A thin and usually jagged space opened in a previously solid material; A narrow opening; A sharply humorous comment; a wisecrack; A potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe; The sharp sound made when solid material breaks; Any ...
  14. (cracked) Broken so that cracks appear on, or under, the surface; Broken into coarse pieces; Harsh or dissonant; Crazy; crackpot
  15. (cracking) The thermal decomposition of a substance, especially that of crude petroleum in order to produce petrol / gasoline; Great; Enjoyable; Very, usually associated with praise
  16. (Cracked) Refers to a petroleum product produced by a secondary refining process such as thermal cracking or vis-breaking processes which yield very low quality residue.
  17. (Cracked (crkd)) the front and/or rear hinge is beginning (starting) to break, or has broken, resulting in a loose cover.
  18. (Cracked) A superior hand that is drawn out on and beaten.
  19. (Cracked) A term often used by collectors who acquire baseball bats. A cracked bat is of less value than one which is not. It may also be used to refer to opening a box of previously unopened cards.
  20. (Cracked) The term used when hole-cards of two Aces end up being beaten. "The Aces have been cracked"
  21. (Cracked) [particle size] reduced by a combined breaking and crushing action.
  22. (Cracked) a hairline fracture in ceramic or glassware, no visible pieces broken off. (Replacements does not sell cracked pieces).
  23. (cracked) [Informal] mentally unbalanced; crazy.
  24. cracking requires the cracker to understand and operate the application or system being cracked, analyse its strengths and weaknesses and then exploit these.
  25. (Cracking) A sharp break or fissure in the surface. Generally due to excessive strain.