Someone who is faithful to a person, organization, idea, or activity remains firm in their belief in them or support for them.
She had been faithful to her promise to guard this secret.
她一直信守诺言保守着这个秘密。
Someone who is faithful to their husband, wife, or lover does not have a sexual relationship with anyone else.
I'm very faithful when I love someone.
当我爱一个人时我是非常忠贞的。
A faithful account, translation, or copy of something represents or reproduces the original accurately.
Colin Welland's screenplay is faithful to the novel.
科林·韦兰的电影剧本是忠实于小说原文的。
The faithful are people who are faithful to someone or something.
He spends his time making speeches at factories or gatherings of the Party faithful.
他花时间在工厂或者在该党忠实拥护者的集会上发表演讲。