penitential
adjective /ˌpenɪˈtenʃl/
/ˌpenɪˈtenʃl/
(formal)- showing that you are sorry for having done something wrong
悔悟的;悔罪的;忏悔的 - to be in a penitential mood
处于后悔的情绪中
词源late 15th cent.: from late Latin paenitentialis, from Latin paenitentia ‘repentance’. - to be in a penitential mood