1. （尤指盗取他人计算机系统中保密信息的）黑客
A computer hacker is someone who tries to break into computer systems, especially in order to get secret information.
2. 黑客（指沉迷于电脑之中，无暇顾及其他的电脑迷）
A computer hacker is someone who uses a computer a lot, especially so much that they have no time to do anything else.
1. one who works hard at boring tasks
2. a programmer for whom computing is its own reward
may enjoy the challenge of breaking into other computers but does no harm
e.g. true hackers subscribe to a code of ethics and look down upon crackers
3. someone who plays golf poorly
4. a programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorism
Synonym: cyber-terroristcyberpunk