It was like fishing for a needle in the ocean.
这就像是大海捞针。
We often ignore the real problem and instead search for a needle in a haystack .
我们经常忽略实际问题，而是大海捞针。
There is no use searching for him in this crowd; it is like looking for a needle in a haystack.
在这样的人群中找寻他是徒劳的，这简直是大海捞针。
Somewhere along that waterfront there might be somebody who knew her, but it was like looking for a needle in a bundle of hay.
滨水区某处可能有人知道她，但找起来犹如大海捞针，实非易事。
Trying to find a pen that works in this house is like trying to find a needle in a haystack.
要想在这间房子里找到一支可用的钢笔，这如同大海捞针。
I lost a contact lens somewhere in the park, but I didn't even look for it. It would have been like trying to find a needle in a haystack.
我的一片隐形眼镜片丢失在公园的某个地方了，我连找都没有找。大海捞针找也没有用。
We gave up trying to find my father at the football game. With thousands of people in the stadium, it was like looking for a needle in a haystack.
足球比赛时，我们打消了找爸爸的念头。因为体育场内人山人海，要找一个人那简直像大海捞针一样难。