The phrase "allow to sharpen" is not correct as it is missing a subject or object.
You can use it in a context where you want to express permission for something to be sharpened, but it needs to be rephrased for clarity.
Example: "I will allow the knife to sharpen properly before using it."
Alternatives: "permit sharpening" or "enable sharpening".
OCL allows to sharpen UML diagrams through invariants as well as pre- and postconditions.
A maid is described as having fine features that would have been even finer "had they been allowed to sharpen on a duchess," while the crowd at the opening night of John Gay's "Beggar's Opera" is "heaving like a bishop's belly".
Allow me to sharpen their sting with a daub of venom I just chewed off the back of a Bufo toad.
Janet L. Robinson, the company's president and chief executive, said in a statement, "We believe a divestiture would allow us to sharpen our focus on developing our newspaper and rapidly growing digital businesses, and the synergies between them, thereby increasing the value of our company for our shareholders".
Analysis of protein sequences in soft tissue could allow researchers to sharpen the evolutionary relationship between various tyrannosaurs.
Raffaela Rein, CEO of CareerFoundry, says the funding will allow them to "sharpen our focus on community, student success and employer relations".
But they've designed the sites to allow you to sharpen their estimate by changing the set of homes that your house is being compared to and correcting bad information about your house.
And I also encourage you to have an open mind to allow others to sharpen you.
"This strategic realignment, which is largely complete, will allow us to sharpen our focus on driving long-term growth in a rapidly changing industry," Viacom Chief Executive Philippe Dauman said in a statement.
The new diffusion method allows to enhance, to sharpen anomalies, and to smooth the background of the image.
