crack
英 [kræk]
美 [kræk]
- vt. 使破裂；打开；变声
- vi. 破裂；爆裂
- n. 裂缝；声变；噼啪声
- adj. 最好的；高明的
使用频率:
记忆方法
记忆“crack”这个单词，可以采用以下方法：
想象一个物体（如树枝或冰块）因为承受不住压力而突然断裂，发出清脆的“crack”声。这个“crack”就像是断裂瞬间产生的声音。
想象一个物体（如树枝或冰块）因为承受不住压力而突然断裂，发出清脆的“crack”声。这个“crack”就像是断裂瞬间产生的声音。
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中文词源
crack 破裂声
拟声词。
英语词源
- crack
-
crack: [OE] Old English had the verb cracian ‘make a sudden sharp noise’, but English did not acquire the noun crack until the 14th century. Both are of Germanic origin (modern German has the related krachen, for instance, and Dutch has kraken), and the verb’s hypothetical ancestor can be reconstructed as *krakojan. The notion of ‘sudden sharp noise’ is semantically primary (presumably it was originally onomatopoeic), and the prevalent modern sense ‘fissure’ arises from the connection between the noise of something breaking and the resultant line of fracture.
=> crock - crack (v.)
- Old English cracian "make a sharp noise," from Proto-Germanic *krakojan (cognates: Middle Dutch craken, Dutch kraken, German krachen), probably imitative. Related: Cracked; cracking. From early 14c. as "to utter, say, speak, talk," especially "speak loudly or boastingly" (late 14c.). To crack a smile is from 1835, American English; to crack the whip in the figurative sense is from 1886.
- crack (n.)
- "a split, an opening," mid-15c., earlier "a splitting sound; a fart; the sound of a trumpet" (late 14c.), probably from crack (v.). Meaning "rock cocaine" is first attested 1985. The superstition that it is bad luck to step on sidewalk cracks has been traced to c. 1890. Meaning "try, attempt" first attested 1830, nautical, probably a hunting metaphor, from slang sense of "fire a gun."
At their head, apart from the rest, was a black bull, who appeared to be their leader; he came roaring along, his tail straight an end, and at times tossing up the earth with his horns. I never felt such a desire to have a crack at any thing in all my life. He drew nigh the place where I was standing; I raised my beautiful Betsey to my shoulder, took deliberate aim, blazed away, and he roared, and suddenly stopped. ["A Narrative of the Life of David Crockett, Written by Himself," Philadelphia, 1834]
Adjectival meaning "top-notch, superior" (as in a crack shot) is slang from 1793, perhaps from earlier verbal sense of "do any thing with quickness or smartness" (Johnson). Grose (1796) has "THE CRACK, or ALL THE CRACK. The fashionable theme, the go." To fall through the cracks figuratively, "escape notice," is by 1975.
权威例句
- 1. The drug is variously known as crack or freebase.
- 这种毒品的叫法五花八门,有人称为crack,也有人叫它freebase.
- 2. She's calm and strong, and she is just not going to crack.
- 她镇定而且坚强，绝不会垮掉。
- 3. In severe cases, the skin can crack and weep.
- 在恶劣的条件下，皮肤可能会开裂并流脓。
- 4. Drug experts say it could spell the end of the crack epidemic.
- 禁毒专家说它可能会结束强效可卡因吸食泛滥的局面。
- 5. He went to the door, opened it a crack, and listened.
- 他朝门走去，打开一条门缝听着。
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