2someone or something that represents a particular quality, idea etc – often used humorously 典型人物,典型事物〔常为幽默用法〕
Dillon is the poster child for wasted talent.
狄龙是典型的被埋没的人才。
Examples from the Corpus
poster child• The 1947 poster child, Nancy Drury from Louisville, Kentucky, was a victim of the 1944 epidemic.• Doctors call Howley their poster child.