资料来源 : pyDict

精疲力竭,疲惫不堪;鼓足干劲,全力以赴;终成泡影,终於失败

资料来源 : WordNet®

flat out
     adv 1: in a blunt direct manner; "he spoke bluntly"; "he stated his
            opinion flat-out"; "he was criticized roundly" [syn: {bluffly},
             {bluntly}, {brusquely}, {roundly}]
     2: at top speed; "he ran flat out to catch the bus"; "he was
        off down the road like blue murder" [syn: {like blue
        murder}]