faithful
adj
1 ~ (to sb/sth) loyal (to sb/sth) (对某人[某事])忠实的
a faithful friend 忠实的朋友
faithful to his beliefs 忠实於他的信仰
She was always faithful to her husband, ie never had a sexual relationship with anyone else. 她对丈夫一直很忠诚.
2 [attrib 作定语]
able to be trusted; conscientious 可信赖的; 认真的
a faithful worker 忠诚可靠的工作者
a faithful correspondent, ie one who writes regularly 经常通信的人.
3 true to the facts; accurate 真实的; 正确的
a faithful copy, description, account, etc 精确的副本、 描写、 报道等.
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。
He says that all this happened after I started work.
他说,这一切都是在我开始工作后才发生的。
I am sorry that you have a disagreement with your father. Personally, I think it is important to follow your interests and your abilities, and it sounds as though you have plenty of both of these already.