胜负未卜的比赛的英文

• open affair
• open issue

• 胜负未卜:    It was difficult to foretell ...
• 的:    4次方是 The fourth power of 2 i ...
• 比赛:    match; competition; race; co ...
• 胜负未卜的:    open affair
• 胜负未卜:    it was difficult to foretell which side would win.; cannot predict who will be the winner; the victory is not yet decided