n.

1. 海盗行为
2. 剽窃；著作权侵害；盗版
   The international laws against piracy have become much more stringent over the last 10 years.

   在过去十年间，国际上反盗版的法律愈来愈严谨。

n.

1. the practice of attacking and robbing ships at sea.
   ▸a similar practice in other contexts, especially hijacking.
2. the unauthorized use or reproduction of another's work:
   software piracy.