They said it would be impossible to get supplies to a large army east of the river.

VOA: special.2009.11.19

This was it. What could be an impossible effort in the history of spaceflight was ready to lift off on its final chance for success.

VOA: special.2009.07.01

It is impossible to imagine many of George's songs without Ira's perfectly chosen,often surprising words.

VOA: special.2009.02.08

Annetta Cheek says the terms of use for a Blackberry are impossible to understand.

VOA: special.2010.04.30

This was impossible when the ship entered an area of storms.

VOA: special.2009.12.23

A fight followed and a confusion of sounds impossible to describe.

VOA: special.2011.02.26

Margaret Smith, a leader in Washington society at that time, wrote a letter describing the scene: Ladies fainted, men were seen with bloody noses and such a scene of confusion took place as is impossible to describe - those who got in could not get out by the door again, but had to scramble out of windows.

VOA: special.2009.01.19

Not exactly. When we taste human blood, a sort of frenzy begins, and it's almost impossible to stop.

VOA: standard.other

For most men and women, fitting in an hour of moderately intense exercise in an already hectic day is difficult, if not impossible.

VOA: standard.2010.03.30

An impossible result here!" Borel then made the unprecedented move of changing mounts to ride "Rachel Alexandra" to the Preakness title two weeks later.

VOA: standard.2009.12.24

"It is impossible to maintain a safe and effective health-care system under conditions of siege that have been in place now since June 2007."

VOA: standard.2010.06.01

Colin Macpherson, a professor of Earth sciences at Britain's Durham University, says it's impossible to know how long the volcano will continue to erupt.

VOA: standard.2010.04.16

"I certainly do think that it has become a victim of itself in many ways, like getting into some of the events are almost impossible.

VOA: standard.2010.07.23

It is impossible. You don't make a movie for the fans of the book.

VOA: standard.2010.01.08