adj.恶毒的，凶恶的，极恶的，重罪的

Felonious behavior is unacceptable in our community.
犯罪行为在我们的社区是不能接受的。
He was convicted of a felonious theft and sentenced to prison.
他因犯下严重盗窃罪被判处监禁。
The felonious act led to a nationwide manhunt for the suspect.
这起犯罪行为引发了全国范围内的通缉行动。
The felonious hacker gained unauthorized access to government servers.
那名犯罪黑客非法侵入了政府服务器。
The judge handed down a harsh sentence for the felonious defendant.
法官对这名犯有重罪的被告作出了严厉的判决。
Felonious crimes often involve violence and intimidation.
严重的犯罪往往伴随着暴力和恐吓。
The police were investigating a series of felonious burglaries in the neighborhood.
警方正在调查该地区一系列的严重盗窃案。
A former felonious convict regained his freedom after serving his sentence.
一名服刑期满的重罪犯重新获得了自由。
The witness's testimony proved crucial in the prosecution of the felonious case.
证人的证词对于这起犯罪案件的起诉至关重要。
The rehabilitation program aims to help felons reintegrate into society without committing more felonious acts.
该再教育项目旨在帮助罪犯重新融入社会，不再犯下更严重的罪行。