Do you know where I can reach him?

你知道我在哪儿能跟他联系上吗？

《牛津词典》

Do you know where I can buy some shampoo?

你知道在哪里可以买到洗发水吗？

youdao

Do you know where I can get some local snacks?

你知道我在哪里可以买到当地的小吃吗？

youdao

Whether or not you agree with him (and I rarely do), you know where he stands.

CNN: New leader of the GOP: Rand Paul

So, you know, from, you know, being his wife and, you know, hearing his points and seeing where he comes from, you know, I mean our Marines want to do the best that they can.

NPR: A Military Wife on Bush Plan for Troop Increase

"I'm in an area where I want to make music that I thrilled with, but, you know, I do have to worry about putting food on the table, " Dylan says.

NPR: Jakob Dylan, Coming Full Circle