1. They lost half their fortune at a stroke.

2. We could disable their neural network at a stroke.

3. The disease wiped out 40 million rabbits at a stroke.

4. 5 At a stroke she could make things vanish into thin air.

5. You've then got an evens chance of doubling your money at a stroke.

6. At a stroke, we would know who was profligate with company money and who was parsimonious.

7. At a stroke the party managers and fixers have lost their assumption of a divine right to power.

8. 8 Routes may be closed, reducing accessibility, or subsidies may be removed, increasing fares for users at a stroke.

9. No one could therefore call for the closure of incineration plants at a stroke, because noxious chemicals have to go somewhere.