[--]

Jyutping daai6 hoi2 laau4 zam1
Pinyin dà hǎi lāo zhēn

Definitions (CC-CEDICT)
  1. lit. to fish a needle from the sea
  2. to find a needle in a haystack (idiom)
Definitions (粵典–words.hk)
  1. 語句
    形容​極難​揾​到
    almost impossible to be found; looking for a needle in a stack of hay; literally: fishing for a needle in the sea
    • 你想喺度揾翻地鐵度遇到嗰個人?根本就係大海撈針。
      你想喺度揾翻地铁度遇到𠮶个人?根本就系大海捞针。
      nei5 soeng2 hai2 dou6 wan2 faan1 dei6 tit3 dou6 jyu6 dou2 go2 go3 jan4? gan1 bun2 zau6 hai6 daai6 hoi2 laau4 zam1.
      You want to find someone you met on the train here? It is like finding a needle in a haystack.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to look for a needle in a haystack
    (syn.) 大海摸針, 大海撈針, 水底撈針, 東海撈針, 海底撈針, 海底摸針
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    这好比大海捞针。
    這好比大海撈針。
    zhè hǎo bǐ dà hǎi lāo zhēn 。
    • It is like looking for a needle in a haystack.
Examples (粵典–words.hk)
  1. Cantonese
    你想喺度揾翻地铁度遇到𠮶个人?根本就系大海捞针。
    你想喺度揾翻地鐵度遇到嗰個人?根本就係大海撈針。
    nei5 soeng2 hai2 dou6 wan2 faan1 dei6 tit3 dou6 jyu6 dou2 go2 go3 jan4? gan1 bun2 zau6 hai6 daai6 hoi2 laau4 zam1.
    • You want to find someone you met on the train here? It is like finding a needle in a haystack.