| 单词 | black hat |
| 释义 | black hat[ blak-hat ] / ˈblæk ˈhæt / noun Informal.a villain, as in a cowboy movie; bad guy. Also called black hat hack·er .Computers. a hacker who violates the security of a system without the knowledge or consent of the owner or developer, as for personal profit or for the gratification of causing damage. Idioms for black hatwear / put on a black hat, to behave villainously. Compare white hat. Origin of black hatFirst recorded in 1955–60 for def. 1, and in 1990–95 for def. 2; from the black hat worn by the villain in a cowboy movie OTHER WORDS FROM black hatblack-hat, black-hat·ted, adjectiveWords nearby black hatblack gold, black grouse, blackguard, black guillemot, Black Hand, black hat, black haw, Black Hawk, Black Hawk War, blackhead, black-headed gull Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for black hatblack hat nouninformal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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