personal best

US /ˌpɝː.sən.əl ˈbest/
UK /ˌpɝː.sən.əl ˈbest/
"personal best" picture
1.

個人最好成績, 個人最佳

an individual's best performance or achievement in a particular activity or sport

:
She set a new personal best in the marathon.
她在馬拉松比賽中創造了新的個人最好成績
He's hoping to achieve a personal best in the upcoming swimming competition.
他希望在即將到來的游泳比賽中取得個人最好成績