cracking

• 英式英语中用来形容某事物极好、精彩或令人兴奋的，非正式用语。

Used in British English to describe something as excellent, exciting, or very good.

1. Excellent or greatB1informalbritish

   Used informally to describe something as very good, impressive, or enjoyable.

   极好的

   • We had a cracking time at the party last night.
   • That was a cracking goal in the football match.
   • She told a cracking joke that made everyone laugh.

   同义词aceawesomebrilliantexcellentfantasticfirst-rategreatmarveloussmashingsplendidsuperbterrifictop-notchwonderful

   反义词awfulbadinferiorpoorterrible

2. Very fast or energeticB2informalbritish

   Describing something that moves or happens with great speed or intensity.

   极快的，迅猛的

   • The car was going at a cracking pace down the highway.
   • He set a cracking speed in the race.
   • The team started the game at a cracking tempo.

   同义词blisteringbreakneckbriskenergeticfastlightningquickrapidspeedyswiftvigorouswhirlwind

   反义词lethargicslowsluggish

• 名词，指物体破裂并常伴有爆裂声的过程，也指石油炼制等工业中把大分子烃类分解成较小、更有用分子的化学过程。

A noun referring to the process of breaking something, often with a sharp sound, or the chemical process in which large hydrocarbon molecules are broken down into smaller, more useful ones, especially in oil refining.

不可数

1. Sharp soundB1formal

   A sudden, sharp, explosive noise, like that of something breaking or splitting.

   爆裂声

   • The cracking of the whip echoed through the valley.
   • We heard the cracking of ice on the frozen lake.
   • A loud cracking sound came from the old wooden floor.

   同义词bangclapcrackpopreportsnap

2. Breaking or splittingB1formal

   The act of causing something to break or split, often with a sharp sound.

   破裂

   • The cracking of the nut required a strong tool.
   • He was skilled at the cracking of safes.
   • The cracking of the glass was caused by extreme heat.

   同义词breakingcleavageruptureshatteringsplinteringsplitting

3. Petroleum refining processC1formaltechnical

   A chemical process in which large hydrocarbon molecules are broken down into smaller, more useful ones, such as gasoline and diesel.

   裂化

   • Catalytic cracking is a key process in modern oil refineries.
   • The cracking of crude oil produces various fuels.
   • Thermal cracking was an early method used in the petroleum industry.

• 表示用力使物体裂开并发出脆响，也指解决难题、破解密码或系统。

A verb used to indicate the act of breaking something with a sharp sound, or solving a problem or code.

1. A2formal

   To break or split something open, often with a sudden sharp sound.

   裂开

   • The egg cracked when she dropped it.
   • He cracked the nut open with a hammer.
   • The ice cracked under their weight.

   同义词breakburstfractureshattersnapsplintersplit

   反义词fusejoinmendrepairseal

2. Solve or decipherB1informal

   To solve a difficult problem, code, or puzzle.

   破解

   • She finally cracked the mystery after hours of work.
   • The detective cracked the case with new evidence.
   • They cracked the encryption on the secret message.

   同义词breakdecipherdecodefigure outpuzzle outsolveunravelwork out

3. Hit sharplyB1informal

   To strike something with a sharp blow, often making a cracking sound.

   猛击

   • He cracked his knee against the table.
   • The whip cracked loudly in the air.
   • She cracked the ball with her bat.

   同义词bangcloutpunchrapslapsmackthwackwhack

4. Voice breakingB2informal

   To have one's voice break or change pitch, often from emotion or puberty.

   声音变调

   • His voice cracked with emotion during the speech.
   • The boy's voice cracked as he sang.
   • She cracked up laughing uncontrollably.

   同义词breakfalterquaverwaver

短语动词变体crack downcrack up