The phrase "as a stroke on" is not correct and does not appear to be a standard expression in written English.
Without additional context, it is unclear how this phrase could be used appropriately.
Example: "He painted the canvas as a stroke on the surface, creating a beautiful landscape."
Alternatives: "as a mark on" or "as a touch on".
The demerger was hailed as a stroke of genius on Sir Colin's part, but neither company has flourished.
Xinhua hails her trip as "a stroke of 'gentle diplomacy' on the part of Washington", while the Chinese edition of the Global Times says that it could help dispel mistrust between China and the US.
One night she went so far as to have a stroke on line.
It also might not hurt that Mr. Obama is a successful writer on his own or that one of his main speechwriters, Adam Frankel, spent much of the past six years immersing himself in the language of the Kennedy era while working with Mr. Sorensen, who has severely limited eyesight as a result of a stroke, on his upcoming memoir.
Albarado, a jockey better known in Kentucky than in New York, described his mount as being like "Tiger Woods down a stroke on the last hole -- he's focused".
At first, it seemed as if she were having a stroke on live television, but her doctor later concluded that a complex migraine had rendered her unable to form words.
A quick flick is interpreted as a directional swipe, not a stroke on a touch canvas.
Ms. Murphy was hospitalized after suffering a stroke on Wednesday night as she walked near her home in Hoboken, said Scott Ladd, metropolitan editor of The Star-Ledger.
Ralph suffered a stroke on 11 July 1119 as he was removing his vestments after celebrating Mass.
Britain's "Iron Lady" suffered a stroke on Monday morning and as the news began trending on Twitter, many recalled her prominent role in the Falklands War.
