sharpen
verb (used with or without object)
have been sharpening
-
present perfect progressiveof sharpen.present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In an email to Salon, Kai Schmitz, a cosmologist who is part of the international search, said scientists have been sharpening their tools and analyses further.
From Salon ● Dec. 13, 2023
Since then investors across the board have been sharpening their scrutiny of banks and strengthening their cash-management guidelines to plug the gaps exposed in their approach to counterparty risk and liquidity management.
From Reuters ● Nov. 1, 2023
So while the Colts were dealing with the aftershocks from the massive change, back in Ashburn, Va., members of the Commanders defense should have been sharpening their knives.
From Washington Post ● Oct. 30, 2022
Writers and directors have been sharpening their skills on indie films the last several years while waiting for big distributors to regain interest.
From New York Times ● Jun. 2, 2013
He must have been sharpening something because he had a file in his hand.
From "Summer of the Monkeys" by Wilson Rawls
