To the best of my belief she is still living there.

据我所知，她还住在那儿。

To the best of my belief I have never seen him before.

我相信自己过去从未见过他。

In the present instance I am forced to admit that the facts are, to the best of my belief, unique.

这一次我不得不承认，我的确深信这些事实是独一无二的。

The information given in this application is correct to the best of my knowledge and belief.

就本人所知及相信，此报名申请书内所填报的资料均属正确无误。

To the best of my knowledge and belief, this letter summarises the actual situation.

这封信是以我所知和信念对当前真实情况的描述。