海底捞针比喻极难打到。也说“大海捞针”。[查看详情]

铁树开花比喻事情难成、不可能实现或极少见的奇闻异事。英sth.seldom seen or hardly possible as the iron tree blooms;[查看详情]

谈何容易旧时大臣向君主陈述政见言辞浅了说不透，言辞深了又不中听实非易事。今借称凡事办起来不如想象的那样简单。英be easier said than done; by no means easy;[查看详情]

大海捞针从大海里将针捞起来形容极难办到或找到。例要打听前任巡检太父家眷的下落那真是大海捞针一般问了半天，没有人知道。——清吴沃尧《二十年目睹之怪现状》英fish for a needle in the ocean; look for a needle in a haystack;[查看详情]

沙里淘金比喻从大量材料中提取精华也比喻费力大而成效少。英get small returns for great effort;[查看详情]

难如登天形容难办的事。[查看详情]

挟山超海夹着泰山跨越北海。喻不可能做到的事。语本《孟子梁惠王上》：“挟太山以超北海曰：'我不能。'是诚不能也。”[查看详情]

插翅难逃同“插翅难飞”。[查看详情]

插翅难飞即使插上翅膀也难以飞走。形容怎么也逃不了。英be difficult to fly away even with the aid of wings; be unable to escape even if furnished with wings;[查看详情]

来之不易得到它不容易。[查看详情]

难上加难难：不容易。形容极端的难度。[查看详情]