be impenitent
作表语，说明某人始终不悔悟、不认错。
The old man was impenitent and refused to apologize.
那位老人毫无悔意，拒绝道歉。
不知悔改的；顽固的
Feeling or showing no regret for one's wrongdoing; not repenting, especially of sins in a religious context.
不悔悟的
Not penitent; specifically (Christianity), not repenting of one's sins; unrepentant.
Even after the evidence was presented, the impenitent thief showed no remorse.
即使在证据面前，这个不知悔改的小偷也没有表现出任何悔意。
用法提示：impenitent 在此句中作定语，修饰 thief，表示“不知悔改的”。
The impenitent politician refused to apologize for his unethical behavior.
这位顽固的政客拒绝为自己的不道德行为道歉。
用法提示：impenitent 在此句中作定语，修饰 politician，表示“顽固的”。
Despite the criticism, she remained impenitent and continued her actions.
尽管受到批评，她仍然不知悔改，继续她的行为。
用法提示：impenitent 在此句中作表语，表示“不知悔改的”。
作表语，说明某人始终不悔悟、不认错。
The old man was impenitent and refused to apologize.
那位老人毫无悔意，拒绝道歉。
强调不悔改的状态持续不变，常见于书面语和宗教语境。
She remained impenitent despite the harm she had caused.
尽管她造成了伤害，她依然毫无悔意。
作定语，多修饰 sinner、liar 等指人的名词。
The novel's hero is an impenitent liar.
这部小说的主人公是个不知悔改的骗子。
grammar · medium
易错句子He was impenitent that he had lied to his parents.
正确表达He was impenitent about having lied to his parents.
impenitent 表示“对某事不悔悟”时，后面接 about 加名词或动名词，不能像 sorry 那样接 that 从句；这是把汉语“对……不悔悟”的从句说法直接搬过来的结果。
grammar · medium
易错句子She answered impenitent when the teacher questioned her.
正确表达She answered impenitently when the teacher questioned her.
修饰动词 answered 要用副词 impenitently，不能用形容词 impenitent；汉语副词没有词形变化，学习者容易漏掉 -ly。
grammar · medium
易错句子He remained impenitent to his past mistakes.
正确表达He remained impenitent about his past mistakes.
impenitent 引出对象时要用介词 about，不能用 to；to 是汉语“对……”的逐字直译，英语中该搭配不成立。
两者意思几乎相同，但 unrepentant 更常用、语域更中性，日常过失也可用；impenitent 更书面，常带宗教或道德谴责色彩，多指对罪过毫无悔意。
这是 impenitent 的反义词：im- 前缀表示否定，去掉前缀后意思正好相反，不能把两者当作同义词混用。
拼写和读音相近，但 impertinent 指言行冒失无礼，与是否悔悟无关；注意词尾 -tinent 与 -nitent 的区别。
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