be of the belief that

hold the opinion that; think

相信，認(rèn)為

beyond belief

astonishingly great, good or bad; incredible

（…得）令人難以置信的

richness beyond belief.

難以置信的豐富（或富饒）。

the driving we have witnessed was beyond belief.

我們親眼目睹的駕車場面令人難以置信。

in the belief that

thinking or believing that

認(rèn)為，相信

he took the property in the belief that he had consent.

他拿了那份財(cái)產(chǎn)，以為自己得到了同意。

to the best of my belief

in my genuine opinion; as far as I know

我的確認(rèn)為；據(jù)我所知