Rudolf found it hard to believe that there was someone in the world who did not know what violin was.

VOA: special.2010.05.08

I do not know what else to do but make the best of a bad deal and shake hands over it."

VOA: special.2009.06.27

Sergeant Perry Osburn put it this way: "We cannot let this make us afraid, you know what I'm saying?

VOA: special.2009.11.14

She said she changed her name because she did not want her parents to know what she was doing.

VOA: special.2009.10.04

"Aylmer," said Georgiana, "I do not know what the cost would be to both of us to remove this birthmark.

VOA: special.2009.09.26

"Of course,we don't know what doses they've received, but the only persons at risk of acute radiation effects are the workers."

VOA: special.2011.03.16

It is also important to know what to do if the signs appear -- in yourself or in someone else.

VOA: special.2010.07.27

In everyday speech, holding your cards close to your vest means not letting other know what you are doing or thinking.

VOA: special.2009.11.22

But he did not know what the problem was. The other man took the money and started away.

VOA: special.2009.08.29

Bio-markers help researchers know what is happening in the bodies of people with a disease or medical condition.

VOA: special.2011.08.02

In other words, he would know what the children are doing even when he is not watching them.

VOA: special.2009.09.06

He is a leader in the sign-making industry - a real big gun,if you know what I mean.

VOA: special.2010.11.28

When you're teenagers, you don't quite know what to write on there. Little Os and Xs for kisses and things like that.

VOA: special.2010.02.08

Another is that we do not necessarily know what drives us to do the things we do.

VOA: special.2010.04.13