unbeaten
[ʌnˈbitn:]
adj.
未被打破、击败或超过的;
（路等）人迹罕至（或未至）的;
未打过的;
未搅拌的;
例句:
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Haynes was still at the crease, unbeaten on 84.
海恩斯还在击球线上，他已经得了84分了。
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Sampdoria lost their unbeaten record with a 2-1 home defeat against Genoa.
桑普多利亚队主场1比2负于热那亚队之后，终止了自己的不败纪录。
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He's unbeaten in 20 fights.
他20战全胜。
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Will attempt to become eighth Derby winner with unbeaten record.
来自WSJ
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Dortmund remain the only unbeaten team in this year's competition.
来自THETIMES
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We're both fired-up characters, both unbeaten and both want to win.
来自BBC