It is not easy to provide an exact history of the street art movement.

VOA: special.2009.04.08

However,sometimes it is not easy to learn about these artists.

VOA: special.2009.11.25

It is not easy to quit smoking.

VOA: special.2010.03.09

"He knows that this suspension of settlement construction is difficult, that it is not easy for anyone;

VOA: standard.2010.01.03

They act as if they are giving us charity,she says. So really it is not easy.

VOA: standard.2009.08.27

But it is not easy to get at. Specks of gold embedded in the mountain rock can only be extracted by blasting and crushing the rock to powder.

VOA: standard.2010.04.22

Experts in photography say it is easy to tell that the photo was not posed.

VOA: special.2010.05.31

It is not an easy thing to do.

VOA: special.2009.06.29

It is not normal to have just a smooth, easy ride through a World Cup qualifying.

VOA: standard.2009.06.07

It is not an easy task,she said. "This is going to be a very hard act for him to pursue, particularly when there is very, very deep hostility to the United States and to the West more generally in Pakistan."

VOA: standard.2010.08.06

And it may not be easy, but change is coming." After criticism from Republicans and some Democrats that he was concentrating too much on health care reform and not enough on the economy, Mr.Obama has devoted many of his recent public statements to economic issues.

VOA: standard.2010.02.06

"If the image of the company is not satisfactorily strong in the public sentiment's mind it's easy for agents to whip up community outrage through the Internet through e mail, what have you, so the newspapers pick it up and say the foreign company is out to take advantage of Korea,".

VOA: standard.2009.11.05

"This is not a particularly easy case, because it sets out, or calls to question a number of legal issues that have to be examined, that have to really be given legal treatment for them to arrive at a decision that is legal in the eyes of the region and the eyes of the international law,".

VOA: standard.2009.04.18