海底捞月

Explanation: Into the water Qulao moon. Analogy to do things simply can not do, only in vain. 　　Usage: Partial official; as object; containing derogatory 　　Source: Mingling 濛 early "first moment Pai An Jing Qi" Volume 27: "the previous two bearers, but I do not know name, address, a shadow without a trace, the sea fishing month, saw a lady have to send in another place." 　　Examples: Bearers to take the previous two visits, but I do not know name, address, a shadow without a trace, ~. (Mingling 濛 early "first moment Pai An Jing Qi" Volume XVII) Thesaurus:  not likely to happen in a century, once in a blue moon, walk with difficulty, fish for a needle in the ocean; look for a needle in a haystack, Impossible and, Sea Fishing, bark [bay] at the moon [bay the moon], the sound of footsteps in a deserted valley-a news or a statement which one does not hear often,or a thing that was seldom to found, Rarities, once in thousand years, sth.seldom seen or hardly possible as the iron tree blooms, Hard-won, defy Beyond the bounds of, strength of nine bulls and two tigers,mighty force, doomed petition like asking a tiger for its hide, Leather and Fox plan Antonym Group:  Have no choice but Shengji, Just to stoop and gather Are all, as thick as June blackerries, ubiquitous, overrun, cataclysm crosscurrent, Attracting attention Are all, common and numerous, Even flat-bed truck