2.to be sb's masterpiece
(be most outstanding work)是某人的杰作；是某人的代表作
'Man's Fate' is probably his masterpiece.《人的命运》可能是他最杰出的作品。
3.a masterpiece of sth
(clever example of sth)…的典范
this masterpiece of inventiveness这一独创性的典范
The whole thing was a masterpiece of crowd management.整件事情就是人群管理的典范。