unable to determine victory or defeat (idiom); evenly matched; to come out even; to draw; to tie
分不出谁胜谁负。形容竞赛双方水平、技术相当。
明·吴承恩《西游记》第四回:“孙悟空金箍棒,变作万万千千。半空中似雨点流星,不分胜负。”
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