She acted in the belief that she was doing good.
她这么做是因为她认定自己是在做好事。
I admire his passionate belief in what he is doing.
我佩服他对自己的工作所抱的.坚定信心。
Contrary to popular belief , many cats dislike milk.
与普通的看法相反，许多猫不喜欢牛奶。
The fearful unbelief is unbelief in yourself.
最可怕的怀疑便是怀疑自己。
Do not let unbelief and bitterness grow inside us.
不要让不信和苦毒在心中滋长。
When unbelief results, it is always the fault of man.
而不信的结果却完全是人自己的错误。
Many local people believe the development will profit them.
当地的许多人认为，这项开发将对他们有利。
I can't believe how much better I feel.
真想不到我觉得好多了。
It would be interesting to know what he really believed.
了解他的真实信仰会是很有意思的'。
If you don't believe me, go and see for yourself!
要是不信我说的，你自己去看看！
People used to believe the earth was flat.
人们一度认为地球是平的。
belief的用法
1：belief的'基本意思是“相信;信任”，指对某事物或人的真实性和正确性所具有的信心，无论根据是否充足或是否必然，均认为是真实可信的，这种看法可以是自己头脑中产生的，也可以是别人灌输的。
2：belief后面接介词about表示“关于内…的看法，意见”;后面接由that引导的同位语从句或介词in表示“对…的信仰”;后面接介词upon表示“相信”。
This book is full of believable, interesting characters.
这本书里充满了真实可信的有趣人物。
Her explanation certainly sounded believable.
她的解释听起来的确可信。
He's made the characters believable.
他让个个角色都逼真可信。
Conventional float type mechanical flowmeter has the disadvantages of high failure rate, difficult set, poor believability of the data measured.
传统的'浮子式机械流量计故障率高、坐层困难，所取资料可信度差。
The production of this catalogue is in suspicion of the believability of print and media.
这次画册的制作是对印刷和传媒的可信度的质疑。