The phrase "sharp opinion" is correct and can be used in written English.
It means a strong or harshly stated belief or viewpoint. You can use it when discussing someone's thoughts or ideas on a particular topic, or when giving your own opinion about something. Example: "The political candidate's sharp opinion on immigration sparked a heated debate among voters."
But Ms. Manderson has learned to swallow when she has a sharp opinion about a stranger.
Janis Sharp (Opinion, 17 September) writes "support through difficult times means so much to someone whose life is in limbo.
The phone call could include a long silence, followed by a giggle, then a burst of sharp opinion.
Meanwhile, the traditional news media chewed over what the arrival of online commentators -- mostly untrained journalists whose stock in trade is the sharp opinion, often quippy -- meant to the political process.
Finalists: Matt Davies for cartoons in the Journal News, Westchester County, New York, work notably original in concept and execution, offering sharp opinion without shrillness; and Joel Pett of the Lexington Herald-Leader, for provocative cartoons that often tackle controversial Kentucky issues, marked by a simple style and a passion for humanity.
Upon this vagueness, it becomes quite difficult to address a sharp opinion or comment, while the final result allows for multiple interpretations and diverse (general and subjective) ideas.
According to Ailes, cable disdains "pompousness" and values sharp opinions.
What would a jobs report be without sharp opinions about what it all means?
That meant hiring critics with sharp opinions, broad knowledge of fields other than poetry, and some flair".
"Americanah" is less authoritative, because its stakes are lower and because Ifemelu's sharp opinions are not accompanied by a strong, aggressive personality.
In a country where many have Internet access and sharp opinions, communicating online with a mix of humor and fatalism has become an important tool of expression.
