nifty       
adjective  informal uk/ˈnɪf.ti/ us/ˈnɪf.ti/
 绝妙的;有吸引力的;利落的
good, pleasing, or effective
  a nifty piece of work/footwork 杰作/干净利落的步法 
 a nifty little gadget 精巧的小器具 
 Synonyms: cracking dandy great neat (GOOD) peachy smashing swell