hacker

1. N-COUNT A computer hacker is someone who tries to break into computer systems, especially in order to get secret information. (电脑) 黑客

...a hacker who steals credit card numbers. …一个窃取信用卡号码的黑客。

2. N-COUNT A computer hacker is someone who uses a computer a lot, especially so much that they have no time to do anything else. 计算机迷