ef·fort /ˈɛfɚ/
 努力,艱難的嘗試
 effort
 工作; 研究計劃
 effort
 工作量
 Ef·fort, v. t. To stimulate. [Obs.] “He efforted his spirits.”
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 Ef·fort n.
 1. An exertion of strength or power, whether physical or mental, in performing an act or aiming at an object; more or less strenuous endeavor; struggle directed to the accomplishment of an object; as, an effort to scale a wall.
    We prize the stronger effort of his power.   --Pope.
 2. Mech. A force acting on a body in the direction of its motion.
 Syn: -- Endeavor; exertion; struggle; strain; straining; attempt; trial; essay. See Attempt.
 effort
      n 1: earnest and conscientious activity intended to do or
           accomplish something; "made an effort to cover all the
           reading material"; "wished him luck in his endeavor";
           "she gave it a good try" [syn: attempt, endeavor, endeavour,
            try]
      2: use of physical or mental energy; hard work; "he got an A
         for effort"; "they managed only with great exertion" [syn:
          elbow grease, exertion, travail, sweat]
      3: a series of actions advancing a principle or tending toward
         a particular end; "he supported populist campaigns"; "they
         worked in the cause of world peace"; "the team was ready
         for a drive toward the pennant"; "the movement to end
         slavery"; "contributed to the war effort" [syn: campaign,
          cause, crusade, drive, movement]
      4: a notable achievement; "he performed a great deed"; "the
         book was her finest effort" [syn: deed, feat, exploit]