gnat's

slang

(slang) A very tiny thing or distance; a whit; a jot; something of no consequence.

Japanese Meaning

非常に小さいもの / ほんのわずかな距離や量 / 取るに足らない、重要でないもの

Only a gnat's separated the two cars, but that tiny gap prevented a scrape.

車二台の間はほんのわずかな距離しかなく、その小さな隙間が擦り傷を防いだ。

Sense（1）

(slang) A very tiny thing or distance; a whit; a jot; something of no consequence.

The building project will be a gnat's away from being finished.