1、Police charged him with extortive behavior after he demanded money from the victim in exchange for not revealing their secret.
警方指控他进行敲诈勒索行为，因为他要求受害者付钱，以换取不泄露他们的秘密。
2、They refused to give in to the extortive demands of the kidnappers, knowing that yielding to their demands would only encourage more criminal activities.
他们拒绝屈服于绑匪的勒索要求，因为他们明白屈服只会鼓励更多犯罪活动。