And scientists often have trouble explaining what they do in language that the public can understand.

VOA: special.2010.05.14

For example, they must have left school or been in trouble with the law.

VOA: special.2009.08.20

Women usually have stronger social support systems to help them in times of trouble.

VOA: special.2009.03.24

But even plants that grow in most deserts have trouble surviving.

VOA: special.2010.01.04

"They are checking so I won't have no trouble in the future to play sports,".

VOA: standard.2009.12.12