Even in closely contested elections, most of the pollsters have called the winners, often by margins close to vote tally. And the pollsters who missed were off by a hair. 即使在胜负极为接近的选举当中，多数民意测验人员都测出了胜利者。胜负差距往往与点票结果接近。测验失误的人也所差微乎其微。
He missed the target by a hair. 他差一点射中目标。
As Joe got ready to kick a field goal, the result of the game hung by a hair. 乔准备好要射门时，比赛正好进行到千钧一发的关键时刻。
