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...在被囚禁一段時間之后，她宣布放棄恐怖主義。
VERB
正式放棄(要求、官階或頭銜)
If you renounce a claim, rank, or title, you officially give it up.
例句
He renounced his claim to the French throne.他正式放棄對法國王位的繼承權。