I swear I've told you all I know.

我发誓我已经把我所知道的都告诉你了。

《柯林斯英汉双解大词典》

For all I know she's still living in Boston.

据我所知她还住在波士顿。

《牛津词典》

For all I know, there may be a kernel of truth in what he says.

据我所知，他的话可能有一点儿道理。

《柯林斯英汉双解大词典》

That is all I know." Here is Billie Holiday singing a popular song of the Nineteen thirties, "More Than You Know."

VOA: special.2010.02.28

People--you've all studied Hamlet, "to be or not to be." That's all I know but basically he was deciding-- he--I wrote this down though.

你们都学过《哈姆雷特》,我只知道一句“生存还是死亡”,这句话是说他正在决定-,我把这写下来了。

耶鲁公开课 - 心理学导论课程节选

And, uh, like you know, for all I know, I could graduate and become an accountant.

比如说，我可能毕业后成为一名会计。

什么事情都是可能的 - SpeakingMax英语口语达人

"All I know is, it's the guys from the Pentium commercial, " says one fan.

FORBES: Blue Coup

"All I know is that I worked very hard in the last two years, " he said.

BBC: Metropolitan Police Chief Superintendent Ali Dizaei

All I know is that the window was shut and I couldn't get in.

BBC: Derby fire deaths: Mick Philpott 'wanted to be a hero'