1.   But he quickly learned that at his age it was next to impossible to find a professional job in San Francisco.

2.   He was a man of undoubted genius, but bad-tempered, egocentric, and impossible to live with.

3.   Her knee makes it impossible to run, but she still walks a great deal.

4.   How much this affected their children was impossible to judge.

5.   If he had any lingering memories, which was almost impossible to credit, they would not match what he now encountered.

6.   It seemed almost impossible to many people that such tiny things as micro-organisms could have been fossilised at all.

7.   Not having any for fifteen years means I find them quite arbitrary now, impossible to control.

8.   The likelihood of future bombs was impossible to judge.

9.   They were just physically impossible to move in and out of the studios.

10.   This takes place mainly up in the forest canopy, and so is almost impossible to film from the ground.