Some investors worry that Americans are not doing enough to lift the world's largest economy out of recession.

VOA: special.2009.08.21

Some people often worry about what they will do in a situation that might happen in the future.

VOA: special.2009.08.30

Some people worry that officials could take their land if it becomes polluted by oil in a storm.

VOA: special.2010.06.04

Environmental activists worry that some kinds of fish are in danger of dying out.

VOA: special.2009.06.16

Some say they worry that health plans might pay for fewer mammograms now.

VOA: special.2009.11.25

Investors also worry that steep spending cuts enacted by some eurozone countries could stifle recovery.

VOA: standard.2010.05.25

Some liberal Democrats worry that the president may ask them to give up too much in the health care debate in the hope of salvaging some sort of political compromise by the end of the year.

VOA: standard.2009.09.04