n. someone who plays golf poorly
n. a programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorism
n. a programmer for whom computing is its own reward; may enjoy the challenge of breaking into other computers but does no harm
[计] 计算机窃贼, 计算机新技术挑战者, 黑客
1. The hacker broke into the company's database and stole private information.
黑客侵入了公司的数据库，窃取了私人信息。
2. Many people are worried about hackers stealing their personal data online.
很多人担心黑客在线窃取他们的个人数据。
3. To protect yourself from hackers, always use strong passwords.
为了保护自己免受黑客攻击，务必使用强密码。