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

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

VOA: special.2010.08.03

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

VOA: special.2009.07.15

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

Professor Yoshino explains. "Shakespeare calls this a problem of ocular proof, the idea that we need to see evidence before we believe in it -- and that,oftentimes, when metaphysical questions of guilt or innocence are difficult for us to answer, we have a tendency to reduce them to questions that pertain to physical evidence.

VOA: special.2011.06.06

This can make it difficult to find funding. Many entrepreneurs have to deal with a lot of initial rejection.

VOA: standard.2010.01.31

The Dutch have won all four of their World Cup matches so far, and Brazil coach Dunga describes them as a very difficult opponent.

VOA: standard.2010.07.01

"You might take this as a general principle, that if you have revolutionary transformations, it's extremely difficult to go back to legal,legitimized, constitutional transfers of power that revolutionary settlements, in fact,are quite dangerous as a precedent.

VOA: standard.2009.09.01

"We have just come through what was one of the most difficult decades the middle class has ever faced a decade in which median income fell, and our economy lost about as many jobs as it gained,".

VOA: standard.2010.01.25

She says it's no easy feat. "You have to kind of deliver so much of the story through your own written texts so it's difficult in that way because you have to get a character and a point across in 140 characters or less."

VOA: standard.2010.05.07

U.S.-Venezuelan relations since the populist Mr.Chavez was first elected in 1998 have been increasingly difficult, and he said in Moscow the new arms are to counter a U.S.-Colombian agreement last month under which U.S.forces will have access to several Colombian military bases.

VOA: standard.2009.09.15

Ugandan Minister of Defense, Crispus Kiyonga, said the African Union force, composed of 2,590 Ugandan troops and 1,600 from Burundi, has so far been able to defend the transitional government's state house, Mogadishu port and airport, but said reinforcements to al-Shabaab have created a difficult situation.

VOA: standard.2009.06.26