海賊版 (kaizokuban) Japanese meaning: pirated edition | KotomoraPirated copies of this software are circulating.
You shouldn't buy bootleg DVDs.
Usage patterns
海賊版を売るto sell pirated copies
A man who was selling pirated DVDs on the street was arrested.
海賊版が出回るfor pirated copies to circulate
Pirated copies of the new movie are circulating online.
海賊版を摘発するto crack down on pirated copies
The police cracked down on the sellers of pirated copies.