down to the wire
到最后一刻；不确定的；紧迫的
口语·形容事情到最后一刻才见分晓
英文释义
to the very end or last minute
例句
The election was so close that the result came down to the wire, with only a few votes separating them.
典故来源
源自赛马或赛车术语，“wire”指终点线，形容比赛或竞争直到最后一刻才分出胜负。