penitent

名词 penitent:

1. (Roman Catholic Church) a person who repents for wrongdoing (a Roman Catholic may be admitted to penance under the direction of a confessor)

形容词 penitent:

1. feeling or expressing remorse for misdeeds
   同义词：repentant

1. Since he has been penitent, I don't think he will do that again.
   既然他已经悔罪了，我认为他不会再那样做了。

pen.i.tent

adj.（形容词）
Feeling or expressing remorse for one`s misdeeds or sins.
悔罪的，悔过的：对某人所犯的罪恶或所做的错事而感到或表示忏悔
n.（名词）
One who is penitent.
忏悔者
A person performing penance under the direction of a confessor.
忏悔者，苦修者：在忏悔的神文指导下行忏悔的人

来源：
Middle English
中古英语
from Old French
源自 古法语
from Medieval Latin pônitôns pônitent-
源自 中世纪拉丁语 pônitôns pônitent-
from Latin paenitôns [present participle of] paenitôre [to repent]
源自 拉丁语 paenitôns [] paenitôre的现在分词 [重复]

【引伸】
pen.itently
adv.（副词）