impenitent
adjective /ɪmˈpenɪtənt/
/ɪmˈpenɪtənt/
(formal)- not feeling ashamed or sorry about something bad you have done
不知羞愧的；无悔意的 词源late Middle English: from ecclesiastical Latin impaenitent- ‘not repenting’, from Latin in- ‘not’ + paenitere ‘repent’.