就我所知

jiù wǒ suǒ zhī nà shì zhēn shí de qíng kuàng

就我所知，那是真实的情况。

That's the truth, in so far as I know it.

jiù wǒ suǒ zhī tā men shì duì xìng fú de fū qī

就我所知，他们是对幸福的夫妻。

As far as I am aware, they are a happily married couple.