不容赦的

例句：

1. 1. The crime was so heinous that it was unforgivable.
   这个罪行极其恶劣，是不可原谅的。
2. 2. He was found guilty of the crime and sentenced to death, which was an unforgivable act.
   他被判定有罪并被判处死刑，这是不可原谅的行为。
3. 3. The perpetrator's actions were considered unforgivable by all parties involved in the case.
   所有参与此案的各方都认为被告的行为是不可原谅的。