Police last night did not have a firm estimate of how many people attended.

Yet she does not hazard a firm estimate.

And we have yet to get firm estimates of how widely the solid matter extends.

To this day, the allies and Iraq steadfastly refuse to provide firm estimates of the damage they believe was done.

There is as yet no firm estimate as to the amount of electricity which could be generated by such a scheme.

This provides a firmer estimate: 1.76 million years, 350,000 years older than the previous site that had been dated so precisely.

Melanie was reluctant to give a firm estimate of the number of days it would take them to get to Paris.

"What's the firm estimate on basic equipment?"

We have as yet no firm estimate of the number of subjects or hostages inside.

Mr. Stabler said he had no firm estimate of the ultimate cost of the cleanup.