masterpiece
/ˈmɑːstəpiːs/noun
1- a work of outstanding artistry, skill, or workmanship杰作：
a great literary masterpiece
伟大的文学杰作
the car was a masterpiece of space-age technology.
这车是太空时代技术的杰作。
1.1
- an artist's or craftsman's best piece of work最杰出的作品, 代表作：
Picasso's masterpiece Guernica.
毕加索的杰作《格尔尼卡》。
1.2
- historical a piece of work by a craftsman accepted as qualification for membership of a guild as an acknowledged master〈史〉手艺人为取得大师资格并进入行会而制作的作品。