They believed that art should be divorced from politics.

他们认为艺术应该与政治分开。

《牛津词典》

They believed that good parents should be self-sacrificing and self-denying.

他们相信好的父母应该自我牺牲和克己忘我。

《柯林斯英汉双解大词典》

The Shakers believed that furniture should be plain, simple, useful, practical, and of sound construction.

震颤派教徒认为家具应当朴素、简单、有用、实际，且构造很好。

《柯林斯英汉双解大词典》

He did so for two reasons: Calhoun believed that Texas should be part of the United States.

VOA: special.2009.02.05

So this was a list of books that some author believed were scripture and should be read by Christians and churches.

所以有些作者认为这一系列书是圣典,基督教徒和教会都应该奉读。

耶鲁公开课 - 新约课程节选

He believed America should be a place that belongs to rich and poor people alike.

VOA: special.2010.06.20

That is actually what he claims to be doing, and perhaps he should be believed.

ECONOMIST: Russian roulette

There are three basic reasons why this theory should be believed.

FORBES: How Lead Caused America's Violent Crime Epidemic

This is why it should not be believed that any party or interest can deliver a new future.

FORBES: Political Will Key to Anticipating Outcomes for Egypt and Beyond