Without a cylinder, lock picking and bumping are virtually impossible.
It is virtually impossible to predict the future accurately.
The way they tell you how to tie the knot is virtually impossible to undo.
It is virtually impossible for an independent inventor to invent for an American U.S. corporation.
Nowadays, it is virtually impossible for any society to be 'closed.'
The security forces render small gatherings-such as those in support of Egypt last week-virtually impossible.
The AT-AT walker also must deal with huge stress on its leg joints, which makes running virtually impossible.
With the fog rolling in and visibility approaching zero, it was virtually impossible for planes to land.
With the exception of a few very narrow strips along the Mediterranean, and the river valleys of the Tigris, Euphrates and the Nile, agriculture is virtually impossible.
To the untrained eye, they are virtually impossible to spot, but we can learn to read them, quite quickly apparently -- in about an hour, according to Ekman .
On the other hand, traditional garbage collectors can introduce long delays at times that are virtually impossible for the application programmer to predict.
When installations require numerous manual steps or are virtually impossible, you can lose users quickly through exasperation or a lack of confidence in the software being delivered.
It's very easy to find the direction in board, use the feeling method, it's virtually impossible to bend board against the grain.
But the worst by far is this display by Halle Berry in Monster's Ball, which, though prompted by her son being fatally hit by a car, is nevertheless virtually impossible to watch without laughing.
A word of warning for taking a day trip to the mountain – after 5pm it shall be virtually impossible to find a taxi to return you to the city.
