After several minutes of useless effort, she gave up and closed the report.

Most of us just think it's another useless effort that shows the government's inability to stop crime.

From the beginning Juan had felt the expedition a useless effort.

Finally, she desisted, knowing it to be a useless effort.

Smiling at the useless effort, he then turned about and left the temple.

Do not spend useless effort trying to fight what cannot be fought.

She knew better than to waste her strength on useless effort.

Continuing as he was would be a useless effort.

They put them almost within his reach to see his useless efforts.

If there had been a prize for useless effort, she would have won it walking away.