ADJ
（體育中）保持不敗的，未被打敗過的
In sport, if a person or their performance is unbeaten, nobody else has performed well enough to beat them.
例句
He's unbeaten in 20 fights...
他20戰全勝。
Sampdoria lost their unbeaten record with a 2-1 home defeat against Genoa.
桑普多利亞隊主場1比2負于熱那亞隊之后，終止了自己的不敗紀錄。