1.
cheat(on) sb;(esp US)be unfaithful to one's wife,husband or lover
不忠实于妻子、丈夫或情人.
2.
A lot of people divorce because one person is unfaithful to the other.
许多人离婚是因为一方不忠实于另一方。
3.
No one told him that his wife had been stepping out on him for over a year.
没有人告诉他，他的妻子不忠实于他已一年多了。
4.
In the research of world history, some quotations of foreign sources are not faithful to the original.
世界史研究中,有些外文资料的引用不忠实于原著。
5.
Unfaithful or disloyal to a belief, duty, or cause.
叛逆的不忠实或不忠诚于某种信仰、义务或事业
6.
Faithfulness to obligations, duties, or observances.
忠诚，忠实忠于职守、义务或责任
7.
He will stick to her whatever happens.
不管发生什么事，他都将忠实于她。
8.
A faithless or disloyal person.
变节者不忠实或不忠诚的人
9.
She could do no wrong in the opinion of her devoted followers.
那些忠实于她的人都认为她不会做坏事.
10.
The two friends vowed to stick by one another no matter what happened.
两位朋友发誓不管发生什么事，都要忠实于对方。
11.
You intend to remain faithful to your wife after all? I should think so not!
你打算继续忠实于你妻子吗？我不认为是这样！
12.
steadfast in affection or allegiance.
忠实于爱情或者效忠的对象。
13.
steadfast in allegiance or duty.
忠实于效忠的对象或者职责。
14.
Now I have found out she 's been two-timing me .
我发现她对我不忠实。
15.
an unfaithful servant, subject, etc
不忠实的仆人、臣民等.
16.
disloyalty by virtue of subversive behavior.
有颠覆行为而不忠实。
17.
I discovered then that so long as I am committed to the truth,
“我发现只要忠于事实，
18.
His translation follows the original faithfully.
他的翻译忠实于原文。