razor-thin

劍橋詞典

A razor-thin difference in amount is very small .
（區(qū)別）細(xì)微的，極小的，微乎其微的
The president won the election by a razor-thin margin . 總統(tǒng)以極微弱的優(yōu)勢(shì)贏得大選。 返回 razor-thin