Translation guide
A pirated edition is an unauthorized copy of a published work, such as a book, movie, or software. In Japanese, this concept is expressed with specific terms that emphasize illegality and unauthorized reproduction.
To refer to a book, movie, software, or other media that has been copied and distributed without permission.
The standard term for a pirated edition, literally 'pirate edition'. Used for books, movies, software, etc.
This pirated DVD has poor quality.
Literally 'illegal copy'. A broader term that can refer to any unauthorized duplication, not just published editions.
Slang term for counterfeit or pirated goods, often used for physical items like DVDs or branded products. Very casual.
海賊版 is the most direct and widely understood term. Use 違法コピー when emphasizing the illegal act of copying, especially for digital files. パチモン is slang and should be avoided in formal situations.
Pirated editions of books are circulating online.
Illegal copying is a copyright infringement.
This bootleg DVD broke right away.