You can be in deep water, for example, if you invest in stocks without knowing anything about the stock market.

VOA: special.2009.05.10

Knowing what your skin looks like will help you recognize any changes.

VOA: special.2010.07.06

"You know you're hoping and praying for a second chance and not really knowing what your future holds.

VOA: standard.2010.02.26

(MOIVE SOUND) "This film depends on you not knowing where you are at in any given situation."

VOA: standard.2010.02.27

"That's been my mantra all season, just enjoy the ride. Mainly partly because of knowing this is probably my last competitive season, and then maybe for missing out in 2006, you know I really wanted to savor every moment in this."

VOA: standard.2010.02.26