fu·tile /ˈfjutḷ, ˈfjuˌtaɪl/
 (a.)無用的,瑣細的,無效果的


 Fu·tile a.
 1. Talkative; loquacious; tattling. [Obs.]
    Talkers and futile persons.   --Bacon.
 2. Of no importance; having no useful purpose; useless; vain; worthless; pointless. “Futile theories.”
    His reasoning . . . was singularly futile.   --Macaulay.

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 futile
      adj 1: producing no result or effect; "a futile effort"; "the
             therapy was ineffectual"; "an otiose undertaking"; "an
             unavailing attempt" [syn: ineffectual, otiose, unavailing]
      2: unproductive of success; "a fruitless search"; "futile years
         after her artistic peak"; "a sleeveless errand"; "a vain
         attempt" [syn: bootless, fruitless, sleeveless, vain]