too close to call
无法确定结果或胜负的情况
口语·新闻·描述胜负难分
英文释义
an outcome or situation that is too uncertain or close to determine a clear winner or decision
例句
The election results are still too close to call.
典故来源
源自赛马或体育比赛，指胜负差距极小，裁判难以判定，后用于任何不确定结果。