He watched one black child for a time, trying to estimate her age.

I estimated her age at about thirty, give or take.

He estimated her age to be five or six, but she was already tall compared with human children.

Because of the beating that he had taken, I could not estimate his age.

With no way to answer that question, it was impossible to estimate his son's age.

She estimated his age at about thirty-five, but it was difficult to be certain.

They estimated the age of the community to be around 5,000-1,000 years before historic era.

I estimated his age at somewhere in the early twenties.

Archaeological investigations in 1959 and 1961 estimated its age at about 3,000 years.

Hans estimated the farm boy's age at ten years, no more.