world-beater
noun [ C ] uk/ˈwɜːldˌbiː.tər/ us/ˈwɝːldˌbiː.t̬ɚ/
举世无双的人（或物）
a person or thing that is better than any other of its type
She has loads of natural talent as a runner and with rigorous training she could be a world-beater. 她作为一名赛跑运动员具备很多天赋，经过严格训练一定会成为世界顶尖选手。