unpardonably wicked; unforgivable for one's extreme evil
那个利用职务之便窃取公司机密，导致企业遭受巨大损失的人，其行为真是极恶不赦。
The person who used their position to steal company secrets, causing the enterprise huge losses, committed truly unpardonably wicked acts.
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unpardonably wicked; unforgivable for one's extreme evil