by a hair's breadth

Etymology
See.

Prepositional phrase

 * 1)  By a narrow margin.

Translations

 * Finnish: karvan verran
 * French:, , à un poil
 * German:, um Haaresbreite
 * Hungarian: egy hajszállal
 * Irish: idir cleith agus ursain
 * Luxembourgish: op en Hoer
 * Polish: o włos
 * Portuguese: por um fio,
 * Spanish: por un pelo
 * Sranan Tongo: ete wan ingiwiwiri
 * Swedish: