To fish out a needle from the sea
Used to describe something that is very difficult to find
Neutral
就算是,它也早就走远了, 要找到它是海底捞针 | Jiùsuàn shì, tā yě zǎo jiù zǒu yuǎn le, yào zhǎodào tā shì hǎidǐ lāo zhēn
It's long gone, so finding it will be like finding a needle in a haystack
[Source]
要在观看足球赛的人群中找一个小男孩真像是海底捞针 | Yào zài guānkàn zúqiú sài de rénqún zhōng zhǎo yīgè xiǎo nánhái zhēn xiàng shì hǎidǐ lāo zhēn
Finding a small boy in this crowd of soccer (football) game spectators is like finding a needle in a haystack
[Source]
Find a needle in a haystack
大海捞针 (dà hǎi lāo zhēn)
None
《二郎收猪八戒》(Èr Láng Shōu Zhū Bā Jiè), a work by Yuán-era (元, 1279 - 1368) writer 吴昌龄 (Wú Chāng Líng)
This chengyu is from a line in the work listed in the "Origin" section above