It has to be a scientifically reasonable attempt to explain the observed behavior.

My project was a reasonable attempt to find out what's really going on in those two hospitals.

The lifter must then make a reasonable attempt to return the bar to the racks.

Failure to make a reasonable attempt to return the bar to the racks.

"But there would have to be a reasonable attempt made to establish a value."

"He doesn't look good unless it's a reasonable attempt to solve the problem."

"But it's a reasonable attempt to try to regulate the flow."

And I hope they can make some reasonable attempt to meet his requests.

The Commission's proposal is a reasonable attempt to strike a balance between the various considerations.

The others had made more or less reasonable attempts, and Polly was pretty proud of her own efforts.