I really only wanted to talk to single women, but it was virtually impossible to find them.
In my experience, it is virtually impossible to talk about felt for more than three minutes.
What would be a difficult learning situation becomes virtually impossible.
Exactly how much, though, it is virtually impossible to say.
It is virtually impossible for workers to figure out if their plans are in trouble.
A cause and effect relationship would be virtually impossible to show, at least on the level of the research anyway.
"It is virtually impossible not to fall in love with her."
It is virtually impossible to say how many people will have to get by for a day or more without benefits.
It is virtually impossible for them to continue their work.
"For a person in my situation, it was virtually impossible."