black·ball /ˈblækˌbɔl/
 反對票(vt.)投票反對,排斥


 Black·ball n.
 1. A composition for blacking shoes, boots, etc.; also, one for taking impressions of engraved work.
 2. A ball of black color, esp. one used as a negative in voting; -- in this sense usually two words.


 Black·ball, v. t. [imp. & p. p. Blackballed p. pr. & vb. n. Blackballing.]
 1. To vote against, by putting a black ball into a ballot box; to reject or exclude, as by voting against with black balls; to ostracize.
    He was blackballed at two clubs in succession.   --Thackeray.
 2. To blacken (leather, shoes, etc.) with blacking.

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 blackball
      n : the act of excluding someone by a negative vote or veto
          [syn: barring]
      v 1: expel from a community or group [syn: banish, ban, ostracize,
            ostracise, shun, cast out]
      2: vote against; refuse to endorse; refuse to assent; "The
         President vetoed the bill" [syn: veto, negative]