a needle in a haystack - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

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English definition of “a needle in a haystack”

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a needle in a haystack

something that is impossible or extremely difficult to find, especially because the area you have to search is too large: Finding the piece of paper I need in this huge pile of documents is like looking for/trying to find a needle in a haystack
Translations of “a needle in a haystack”
in Chinese (Traditional) 不可能(或極難)找到的東西, 大海裡的針…
in Chinese (Simplified) 不可能(或极难)找到的东西, 大海里的针…
(Definition of a needle in a haystack from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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