But the object that struck Jupiter in July is estimated to have been much smaller and harder to see than comet Shoemaker-Levy.

VOA: special.2009.08.25

"The music here is more complicated and harder, but I think it's partly because it's also with woodwinds and brass, basically with a band.

VOA: special.2010.06.21

But lower property values and tighter lending requirements mean a harder time getting new loans.

VOA: special.2009.09.04

But the head of UNICEF, Anthony Lake,says: "Unless we all work harder, there may still be fifty-six million children out of school in two thousand fifteen."

VOA: special.2010.05.20

He said,"AIDS killed my body, but racism is harder to bear.

VOA: special.2010.02.07

But the recession has been harder on men.

VOA: special.2009.11.20

He would try to explain it this way when students asked for a top grade just for studying hard in chemistry class: What if a baseball player came to spring training and worked harder than all the others, but still could not play well.

VOA: special.2009.03.12

Reid said he is always looking for Republicans to work with, but added that they are getting harder and harder to find.

VOA: standard.2009.10.26

But once these opportunities are discovered, it will be harder and harder to detect again, because opportunities get arbitraged out of the market.

VOA: standard.2010.08.05

But what Carlisle did was much harder. Not many of us have the restraint to do that.

VOA: standard.other

For many people trying to shed a few kilograms, it's hard enough to lose the weight, but many experts say it's even harder to keep the weight off.

VOA: standard.2010.07.30

But selling the proposed budget on Capitol Hill became harder after Friday's report from the Congressional Budget Office, which projects significantly higher budget deficits than the administration estimates over the next decade, adding trillions of dollars to the national debt.

VOA: standard.2009.03.22

"But it is also a privilege. Because it is moments like these that force us to try harder, to dig deeper, to discover gifts we never knew we had -- to find the greatness that lie within each of us."

VOA: standard.2009.05.14

"You know, we're seeing a bit of a change in tide as things get better, but we certainly felt it for a little bit, but as we're all doing, we're tightening the belts and working harder to find those other dollars."

VOA: standard.2010.02.21