I hardly know you.

我几乎不了解你。

《柯林斯英汉双解大词典》

I hardly know you any more!

我几乎认不出你了！

youdao

I hardly know him at all!

我根本就不认识他！

youdao

You will hardly know who I am or what I mean, But I shall be good health to you nevertheless.

VOA: special.2009.04.12

Indianapolis is at the top of my list because it combines so many surprising, high-profile attractions with true Midwestern hospitality, yet hardly anyone I know has visited as a tourist.

FORBES: Great Urban Weekend Escapes: Indianapolis

As you know, I am hardly of Michigan roots, but I am intimately involved.

FORBES: Was I Wrong About Michigan?

You know we had a - I had a chat with the manager on Friday - sorry I can hardly hear you David, there's a police helicopter, it's making a lot of noise - yeah I had a chat with the manager on Friday and hopefully we'll get things sorted out for another season.

BBC: News | BREAKFAST WITH FROST | Interview with David Seaman, Arsenal and England