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（學業或事業上）達到（特定程度）成就（或成績）的人
A high achiever is someone who is successful in their studies or their work, usually as a result of their efforts. A low achiever is someone who achieves less than those around them.
例句
High achievers will receive cash bonuses...
業績出眾的人會獲得現金獎勵。
In school, he was not one of the achievers.
上學時他不屬于拔尖的那類。