nip and tuck
胜负未分；紧张而激烈的竞争
口语·形容激烈竞争
英文释义
an extremely close or closely contested competition or race
例句
The race was nip and tuck until the very last second.
典故来源
源自19世纪美国理发师用剪刀和梳子精细修剪头发的动作，比喻竞争双方势均力敌，难分高下。