v.使無效；廢除；取消
The election results were nullified because of voter fraud. 因?yàn)檫x民舞弊，選舉結(jié)果無效。
Counterintelligence seeks to nullify the enemy's espionage efforts. 反間諜情報(bào)之目的是挫敗敵人的間諜活動(dòng)。
He has no right to nullify laws. 他無權(quán)廢除法律。
