The phrase "a dramatic blow" is correct and usable in written English.
It can be used to describe a significant or impactful event or situation that causes distress or disappointment.
Example: "The news of the company's closure was a dramatic blow to the employees who had dedicated years of their lives to the organization."
Alternatives: "a severe setback" or "a significant shock".
John King: The Court striking down that mandate is a dramatic blow to the policy and to the President, politically.
Given the way Vaughn has hit this season, there was no reason to expect such a dramatic blow from him in this instance.
It deals with the trial and execution of the only white man who managed to convince himself that planting a bomb in a Johannesburg station would be a dramatic blow against the oppressive white government.
Can anyone deny that not passing START will be a dramatic blow to U.S.-Russian relations - and a disaster in terms of our Iran policy?
While it is difficult to predict how the court ultimately will rule, even a tie vote this time would favor immigrants' rights, allowing the Ninth Circuit decision to stand and dealing a dramatic blow to Trump's anti-immigrant agenda.
The move by Singapore Airlines came less than a week after a dramatic blow-out in one of the Trent 900 engines during a Qantas A380 flight that sent debris over Batam island in Indonesia.
The institution crumbled in New Orleans not from a single dramatic blow or stroke of a pen, but from the slow accumulation of resistance by slaves like Becky.
It was supposed to be a quick and dramatic blow that would send the Islamists scurrying back to their hide-outs in northern Mali, buying time for the deployment of an African force to stabilize the situation.
"This would be a dramatic political blow for Europe, but also a heavy economic blow, also for those countries that are saying they don't want to help now," he said.
That would be a dramatic political blow to Mr Obama's legacy, credibility and effectiveness.
