avail /əˈve(ə)l/
 (vi.)有用,有利(vt.)有利于效用,利益


 A·vail, v. i. To be of use or advantage; to answer the purpose; to have strength, force, or efficacy sufficient to accomplish the object; as, the plea in bar must avail, that is, be sufficient to defeat the suit; this scheme will not avail; medicines will not avail to check the disease. “What signs avail ?”
    Words avail very little with me, young man.   --Sir W. Scott.


 A·vail v. t. [imp. & p. p. Availed (░); p. pr. & vb. n. Availing.]
 1. To turn to the advantage of; to be of service to; to profit; to benefit; to help; as, artifices will not avail the sinner in the day of judgment.
    O, what avails me now that honor high !   --Milton.
 2. To promote; to assist. [Obs.]
 To avail one's self of, to make use of; take advantage of.
    Then shall they seek to avail themselves of names.   --Milton.
    I have availed myself of the very first opportunity.   --Dickens.


 A·vail n.
 1. Profit; advantage toward success; benefit; value; as, labor, without economy, is of little avail.
    The avail of a deathbed repentance.   --Jer. Taylor.
 2. pl. Proceeds; as, the avails of a sale by auction.
    The avails of their own industry.   --Stoddard.
 Syn: -- Use; benefit; utility; profit; service.


 A·vail, v. t. & i. See Avale, v. [Obs.]

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 avail
      n : a means of serving; "of no avail"; "there's no help for it"
          [syn: help, service]
      v 1: use to one's advantage; "He availed himself of the available
           resources"
      2: be of use to, be useful to; "It will avail them to dispose
         of their booty"
      3: take or use; "She helped herself to some of the office
         supplies" [syn: help]