[transitive] to ask sb to vote in writing and secretly about sth要求某人（对某事）无记名投票◆The union is balloting its members on strike action.工会正要求会员对罢工行动进行无记名投票表决。 [intransitive] to vote secretly about sth对某事进行无记名投票◆The workers balloted for a strike.工人对是否罢工进行无记名投票表决。