1. They are beating the air.

2. To argue with him is like beating the air.

3. The sea gull was beating the air with its wings.

4. Dark mosquito shadows across the hilltops, rotor blades beating the air, stirring the ground, pressing down.

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5. He could hear the wings cracking, like whips beating the air.

6. Helicopters don't fly. They beat the air into submission.

7. And the gander opened his strong wings and beat the air with them to show his power.

8. His speech merely beat the air as his argument was not convincing at all.

9. Birds fly very easily. They beat the air with their wings and climb up through the air. Then they spread their wings and float on the air.

10. He raised his forefinger and beat the air oldly before his voice spoke.

11. All you are doing is to beat the air . Try to be more practical.

12. My sister is very pigheaded, if you want to change her mind is ultimately like beat the air.

13. large calm lakes there too, in which white swans were swimming, and beat the air with their wings.