成语名称:海底捞针:fish for a needle in the ocean(search for a needle in a haystack; very difficult to find)英语: fish for a needle...
成语名称:东海捞针:look for a needle in a bottle of hay英语: look for a needle in a bottle of hay成语近义: 大海捞针(dà hǎi lāo zhēn):在大海里捞一...