adj.不悔改的，不感到羞愧的，无悔意的

The criminal remained impenitent despite numerous attempts at rehabilitation.
这个罪犯尽管多次尝试改造，仍然顽固不化。
She showed no sign of being impenitent for her past mistakes.
对于过去的错误，她丝毫没有悔改的迹象。
His impenitent behavior earned him a lengthy prison sentence.
他恶劣的行为导致了长期的监禁。
The impenitent thief was finally caught red-handed.
那个死不悔改的小偷终于被当场抓住。
Despite counseling, the addict remained stubbornly impenitent.
尽管接受了咨询，这个瘾君子依旧固执地不愿悔改。
The judge gave the impenitent defendant a chance to repent.
法官给了那个不悔改的被告一个悔过的机会。
The impenitent rogue continued to deceive people even after being exposed.
那个狡猾的骗子在被揭穿后仍继续欺骗他人。
After several warnings, the impenitent employee's behavior finally led to termination.
经过多次警告，那个顽固的员工的行为最终导致了被解雇。
The impenitent liar's face was a mask of guilt when confronted with the truth.
面对真相时，那个死不认错的说谎者脸上充满了愧疚。
An impenitent rebel refused to surrender, even under threat of force.
一个顽固的叛乱分子即使面临武力威胁也不肯投降。