But for people who have a difficult time controlling their movements, this little navigational issue can be a really big problem.

VOA: special.2011.04.18

They created more than fifteen thousand paintings and sculptures designed to lift the spirits of Americans during a difficult time.

VOA: special.2009.03.23

Today,Frank Oliver and Doug Johnson tell about a special plane called Voyager and the effort to set a difficult world record.

VOA: special.2010.10.06

But they say finding injured birds in the huge spill and sending out boats to rescue them will be a difficult job.

VOA: special.2010.05.04

The objects in the exhibit tell a story about government expansion during a difficult period in American history.

VOA: special.2009.01.02

They moved Eagle forward, away from a very rocky area that might have caused a difficult landing.

VOA: special.2009.07.15

America's third party at that time -- The People's Party -- had a difficult decision to make.

VOA: special.2010.07.01

But the published report says that would have forced it to fly in a difficult position.

VOA: special.2010.03.16

Students often have to take a difficult test to gain entrance to a special school.

VOA: special.2011.02.13

They had made a difficult climb from the southeast, through recently opened Nepalese territory.

VOA: special.2010.06.30

Even a man with a good job had a difficult time feeding his family.

VOA: special.2009.10.29

He says he had a difficult time finding enough lambs to do the job.

VOA: special.2009.07.14

The commander of federal troops at Fort Sumter had a difficult decision to make.

VOA: special.2009.07.23

But small farmers often have a difficult time getting their animals to market.

VOA: special.2010.08.03