annul

1. V-T If an election or a contract is annulled, it is declared invalid, so that legally it is considered never to have existed. 宣布…無效[usu passive]

Opposition party leaders are now pressing for the entire election to be annulled. 反對黨領(lǐng)袖們現(xiàn)在正在迫切要求宣布整個選舉無效。