The idiom "needle in a haystack" dates back to the 16th century and has been used in English literature since then. Its origin is quite literal, referring to the extreme difficulty of finding a tiny object (a needle) within a vast pile of straw or hay. This expression is often used to describe an exceedingly challenging or nearly impossible task of finding or locating something due to its extreme rarity, obscurity, or hidden nature.

英語での「needle in a haystack」の定義と意味

Download Mobile App