If you renounce a belief or a way of behaving, you decide and declare publicly that you no longer have that belief or will no longer behave in that way.
例句
After a period of imprisonment she renounced terrorism...在被囚禁一段时间之后，她宣布放弃恐怖主义。
VERB
正式放弃(要求、官阶或头衔)
If you renounce a claim, rank, or title, you officially give it up.
例句
He renounced his claim to the French throne.他正式放弃对法国王位的继承权。