我声明，上述信息尽我所知是正确和完善的。

I declare that the information given above is correct and complete to the best of my knowledge.

youdao

尽我所知，明天的商务会议是上午10点召开。

As far as I know, tomorrow's business meeting is at 10 am.

youdao

我声明上述陈述均真实并尽我所知的完成此调查表。

I declare that all foregoing statements are true and complete to the best of my knowledge and belief.

youdao