vt.作废，抵消，废止，使失去法律效力，使无效

原形：nullify第三人称单数：nullifies过去式：nullified过去分词：nullified现在分词：nullifying

The judge's decision nullified the previous verdict, declaring a mistrial.
法官的决定使之前的判决无效，宣布了重审。
Signing the contract without reading the fine print can nullify your rights as a consumer.
如果没有阅读细则就签署合同，可能会使你作为消费者的权利失效。
The new evidence presented in court completely nullified the defendant's alibi.
法庭上提出的新证据完全推翻了被告的不在场证明。
Taking antibiotics without a doctor's prescription can nullify their effectiveness.
未经医生处方擅自服用抗生素可能会使其效力失效。
The discovery of fraud nullified the election results, necessitating a fresh vote.
选举中发现欺诈行为使得选举结果无效，需要重新投票。
The agreement was nullified when one party violated its terms multiple times.
当一方多次违反协议条款时，该协议被宣布无效。
The use of performance-enhancing drugs can nullify an athlete's achievements and lead to disqualification.
使用兴奋剂会令运动员的成绩无效，并可能导致取消资格。
The judge's instruction to the jury on the law nullified the prosecution's key argument.
法官对陪审团关于法律的指导彻底否定了控方的主要论点。
Failing to meet the deadline for submission nullified her application for the grant.
未在截止日期前提交申请，导致她申请资助的资格失效。
The peace treaty nullified years of hostility between the two nations.
那项和平条约消除了两国之间多年的敌对状态。