This means to be interested in what is happening around you and what people are thinking.

VOA: special.2009.09.13

So you followed me. I was trying to keep a distanceunless you needed my help, and then I heard what those low-lifeswere thinking.

VOA: standard.other

I can't read your mind. You have to tell me what you're thinking.

VOA: standard.other

"If you walk around and look at what the everyday person is thinking,".

VOA: standard.2009.12.02

Wait. You say you heard what they were thinking?

VOA: standard.other