We must believe in God, the Creator.

我们必须信仰上帝，万物的创造者。

youdao

We must work, and above all, we must believe in ourselves.

我们必须工作，而且最重要的是我们必须相信自己。

youdao

We must believe in luck; for how else can we explain the success of those we don't like?

我们一定要相信有运气这回事。否则我们不喜欢的人成功了，该怎么解释？

youdao

We are not hostile to them. But we believe they must be controlled to serve the public good."

VOA: special.2010.08.12

And,as Chateaubriand said,the writer, "I don't know what we must believe but we must believe in something," and he gets down on his knees and prays.

如作家夏多布里昂所言,"我不知道我们能相信什么,但我们必须相信点什么",然后他屈膝跪下开始祈祷

耶鲁公开课 - 1871年后的法国课程节选

He says, "I believe in the practice and philosophy of what we have agreed to call magic, in what I must call the evocation of spirits, though I do not know what they are."

他说我相信我们所称作的,关于魔法的实践和哲学，我认为那是对灵魂的召唤，尽管我并不知道它们是什么“

耶鲁公开课 - 现代诗歌课程节选

We must believe him and trust him if we are to follow him.

CNN: Sen. Lugar's closed-door impeachment statement

We must believe that miracles can happen.

NPR: Memoir: Bhutto Knew of Dangers in Her Return

We know that you are only one man and we must all believe, have faith, and support you in your endeavors.

WHITEHOUSE: Discussing the Economy in Albuquerque