资料来源 : pyDict

能干的[人] ;杰出的

资料来源 : WordNet®

crackerjack
     n 1: someone excellent of their kind; "he's a jimdandy of a
          soldier" [syn: {jimdandy}, {jimhickey}]
     2: something excellent of its kind; "the bike was a jimdandy"
        [syn: {jimdandy}, {jimhickey}]