大干草垛的英文：
haystacks

Searching for a needle in a haystack
大海捞针

The side of the mountain,tower,haystack
山、塔、草堆的坡面

The mountain, which is shaped like a haystack, gets its name from the Chinese for haystack, maiji.
该山状如农村的麦秸垛，因此得名麦积山。

The escaped prisoners lay doggo in a haystack until the searchers had gone away.
越狱的囚犯们一直躲在干草堆里，直到搜寻者离去。

Searching for one man in this big city is like looking for a needle in a haystack
在这座大城市里寻找一个人犹如大海捞针