repent，be penitent，[宗] confess，penance，penitence ；

[例句] 我是个罪人，必须忏悔我的罪过。 I am a sinner and I need to repent of my sins.

[例句] 你干脆去教堂忏悔自己的罪过吧。 You just go to the church and confess your sins.

confessional，penitent，penitential，repent ；

[例句] 上次我忏悔的神父就因你的缘故把我痛骂了一顿. The last priest bawled hell out of me about you.

[例句] 他对忏悔的罪人一概慈悲为怀. He is kind and gracious to all sinners who repent.

confessional ；

[例句] 搜索引擎变成了可以帮追我们的忏悔室,知己,信得过的朋友. Search engines are our confessionals our confidants our trusted friends that help us.

[例句] 在忏悔室,苏里凡神父认出了她,问起了她的工作,她向他解释说,自己是做商业演出的舞蹈演员. In the confessional Father Sullivan recognized her and began asking her about her work.

confessant，confesser ；

[例句] 与其做忏悔者,不如做殉道者. It is better to be a martyr than confessor.

[例句] 告解庭是一种仪式,承认自己是原罪违犯者及忏悔者. Exomologesis was a ritual of recognizing oneself as a sinner and a penitent.