look for a needle in a haystack
“look for a needle in a haystack”的中文翻译
词典解释
美音：[]
英音：[]
1. 大海捞针
You can never find him in such a large crowd of people. You're looking for a needle in a haystack.
在这么大群人里你不可能找到他,你简直是在大海捞针。
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