Sentence examples for not pinned from inspiring English sources

A mutation that confers lethality, he explained, may confer another advantage scientists have not pinned down.

So, if market confidence has a meaning, it must be something that is not pinned down simply by economic fundamentals.

The development with 4... Bb4 introduces the Nimzo-Indian English, in which the queen knight is not pinned.

He said the current decline of moose in northern Minnesota, for which scientists have not pinned down a cause, could thus have "major consequences".

More than 80 years after Clyde W. Tombaugh spotted Pluto, astronomers still have not pinned down exactly how big, or small, it is.

Because "European construction" is an ever-advancing project, the British are uniquely suspicious of deals where the details are not pinned down.

He is not pinning his business hopes on his children.

"They did not pin it on Thomas Jefferson," Mr. Works insisted.

An additional 400 dollars isn't life-changing, but it's not pin money, either.

I had a feeling that there was mischief stirring, but I could not pin it down.

He could not pin down the secret to his flair for public relations.