前功尽弃

Explanation: Power: credit; do: complete; abandoned: lost. Before the credit is lost. Also refers to all previous efforts wasted. 　　Usage: The main predicate; as predicate, object; containing derogatory 　　Source: Qian Han, "Historical week of the Millennium": "This in turn forces Frontier, over two weeks, Han times, beam attack, stroke may not, come to naught." 　　Examples: The emperor asks you to go soldier, or to fight bandits, or playing foreigners, winning a good, she lost, so why not ~, asking for trouble. (Qing Li Baojia "Bureaucrats" forty-ninth back) 　　Results: Do not suture knot tied soles; Jifeidanda 　　Postscript: Do not suture knot tied soles; Jifeidanda 　　Riddle: Force Thesaurus:  catch at shadows, Flirt with Noir ending, swallow ancient learning without digesting it, do sth.by halves; leave off sth.halfway; give up halfway, eisegesis, talk with great relish, slash-and-burn cultivation, Huonoudaogeng, Daogenghuonou, something to write home about, turn goose into swans, magniloquence, skimming over the surface, Gallop or trot along on horseback Of flower, unction, glory, make vain efforts, Yue Busishu, Enthrallment Wake, Learn it without, damselfly dap daps, eat birds and animals raw, Qiangongjinmie, Students pull lug, swallow without understanding, stretch the meaning, Health and pulled a slow death, Crucial moment, fad alive, gain a superficial understanding through cursory observation, Exaggerated, Bantuerfei, exaggerate, exaggerate, talk that sounds impressive but is in fact empty and worthless Antonym Group:  Corner of the three anti-, draw inferences about other cases from one instance, To know the micro-, Don't mention it (used in formal speech), Afraid of such Michiya, switch off [on to], cut, education as a gradual polishing process, Engraving sentence cut, That accounts for the milk in the cocoa -nut[coconut], learn from other’ s strong points to offset one’ s weaknesses, ideal, Wonderful workmanship excelling nature, tumble, demoralized, race to very roots, Tuiben affiliation, be a cup too low, sudden show of wit, understanding, etc （, Shenshiguishe, feeling depressed, dull insipid, Gammer Nengjie, Since its loom, be suddenly enlightened, achieve mastery through a comprehensive study of the subject, Yaoyanbufan, Small clues tell, Suddenly transfixion, Trace the source of demand, Trace to its source, go into the whys and wherefores(=have the why and the wherefore), Zhuoyingjixu, Zhuoyingzhuxu, Diaozhangzhuoju, Diaozhanglouju, Diaoganzhuoshen, follow the vine to get the melon, track down sb. or sth.by following clues, suddenly see the light, Uncanny workmanship