Definition
to perceive an individual as representing a specific type or category of person
認定為…人（視…為…）
Although he was quite young at the time, some of his actions marked him down as a mature individual.
儘管他當時還很年輕，但他的一些行為讓人認為他是個成熟的人。
Based on her experience, we marked her down as the expert of the team.
根據她的經驗，我們將她視為團隊中的專家。
His style of dress marked him down as an artist.
他的穿衣風格讓人認為他是個藝術家。