Sentence examples similar to a doubtful determination from inspiring English sources

These resulted in a doubtful structural determination by the powder method.

That may seem like a doubtful proposition.

She gave me a doubtful look.

Hang about," he said, with a doubtful frown.

A British summer is usually a doubtful, fleeting thing.

She had been a doubtful starter with a bruised heel.

I make a doubtful face, but she insists.

Longevity alone strikes me as a doubtful premise.

douarrha had become a nomen dubium — a doubtful name.

The claim is contested; it has a doubtful legal basis, and an even more doubtful moral basis.

That's a doubtful proposition, however.