As Rosemary grew older, she became increasingly difficult to live with and supervise.

VOA: special.2009.08.23

Ida Tarbell found it difficult to live in Paris without much money.

VOA: special.2010.04.25

However,this is more difficult because it is harder to control the diets of people and because they live longer than other animals.

VOA: special.2009.09.01

So they quickly passed a bill that made it much more difficult for Chinese citizens to come to live in the United States.

VOA: special.2010.03.11

Many southerners live in remote areas difficult to access by road, and many roads become impassable during rainy season.

VOA: standard.2010.03.23