renounce
verb [ T ] formal uk/rɪˈnaʊns/ us/rɪˈnaʊns/
声明放弃;宣布放弃;弃绝
to say formally or publicly that you no longer own, support, believe in, or have a connection with something
Her ex-husband renounced his claim to the family house. 她的前夫宣布放弃对家里房子的所有权要求。
Gandhi renounced the use of violence. 甘地声明放弃使用暴力。