1. His wickedness knew no bounds as he committed heinous crimes without remorse.
他的邪恶无法无天，毫无悔意地犯下了丧心病狂的罪行。
2. The protagonist in the novel succumbs to the temptation of wickedness and descends into darkness.
小说中的主人公屈服于邪恶的诱惑，陷入了黑暗之中。