blackball

v [Tn] prevent (sb) from joining a club or group by voting against him in a ballot 投反对票以阻止（某人）加入某俱乐部或某组织: blackball a candidate 投票反对一候选人.

black ice, black magic, Black Maria, black mark, black market, black mass, Black Muslim, black out, black pepper, Black Power, black pudding, Black Sash, black sheep, black spot, black tie, black widow, black-beetle, black-out, black-water, blackamoor, blackberry, blackbird, blackboard, blackcurrant, blacken, blackened, blackguard, blackguardly, blackhead, blackjack, blacklead, blackleg, blacklist, blackmail, blackmailer, blackness, blackout, blackshirt, blacksmith, blackthorn,