undefeated

剑桥词典

in sports , having won every game
（在躰育比賽中）保持不敗的，未嘗敗勣的
The team managed to remain undefeated in the final weeks of the season . 在本賽季最後幾周的比賽中，這支球隊成功保持不敗。 返回 undefeated