finding a needle in a haystack

Translations
искать иголку в стоге сена
She was trying to find her lost earring in the park, it was like finding a needle in a haystack.
Она пыталась найти свои потерянные серьги в парке, это было как искать иголку в стоге сена.
Definitions
Finding a needle in a haystack refers to a task that is extremely difficult or nearly impossible due to the vast amount of irrelevant material or distractions surrounding the desired object or outcome.
Words
finding

noun
поиск
a

article or possessive pronoun
неопределённый артикль
needle

noun
иголка
in

preposition
в
a

article or possessive pronoun
неопределённый артикль
haystack

noun
стог сена