To apply tapotement, use the knife-edge side of the hand and keep the wrist loose. |
York was on a knife-edge tonight as the city's flood defences faced their toughest test following the continuing deluge. |
The court was told that, amid a falling property market and rising construction costs, the whole development was on a knife-edge. |
Continued price wars between supermarkets could place the fragile recovery of British agriculture on a knife-edge again. |
If you don't back your files up, especially if you're a very small business, you're living on a knife-edge. |
We must be able to live in freedom on the knife-edge between light and darkness. |