poster boy片語KK [ˋpostɚ bɔɪ] /ˈpoʊstɚ bɔɪ/發音片語1典型代表、象徵人物He quickly became the poster boy for corporate greed.他很快就成了企業貪婪的典型代表。2榜樣、模範The young athlete is the poster boy for hard work and discipline.這位年輕運動員是勤奮自律的榜樣。3代言人They chose a local teacher as the poster boy for the reading campaign.他們選了一位當地老師作為閱讀運動的代言人。