不ㄅㄨˋbù分ㄈㄣfēn勝ㄕㄥˋshèng負ㄈㄨˋfù

  1. 雙方勢均力敵、分不出高低優劣。《三國演義·第五回》：「飛抖擻精神，酣戰呂布。連鬥五十餘合，不分勝負。」

英unable to determine victory or defeat (idiom)​; evenly matched, to come out even, to tie, to draw