►含义Virtually impossible to find.很难找寻 ►例句Trying to get a new job these days is like trying to find a needle in a haystack.这段时间找工作简直就是海底捞针。 ►对话A:Has the thief gone?小偷跑了吗？B: He ran quickly and disappeared in a sea of faces in the subway. Finding him is like finding a needle in a haystack.小偷跑得很快，消失在地铁的人山人海里。要找他好像大海捞针一样。 ►额外收获： 1.haystack:n.草垛2.a sea of faces：人山人海