The phrase "a powerful manner that" is correct and usable in written English.
It can be used to describe the way in which something is done with strength or impact, often followed by a clause explaining what is being done.
Example: "She presented her argument in a powerful manner that captivated the entire audience."
Alternatives: "an impactful way that" or "a strong approach that".
Later, he specialized in writing the greater seal script, known as the shigu, in a powerful manner.
Singing the songs is for timing as well as inhaling as well as exhaling in a powerful manner.
Ross, tall and athletic and powerful, had a manner that showed a curious mixture of assurance and insecurity.
It combines two powerful candidates in a groundbreaking manner that demonstrates a confident, forward-looking America.
Death and guilt are both subjects in A Monster Calls, dealt with by Patrick Ness in a manner that is powerful and poignant, while Auggie, the main character in Wonder by RJ Palacio has to contend with the constant feeling of being different to his peers due to severe craniofacial deformities.
What does it mean for a powerful man to be designated as a scrap of sex-meat in a manner that is usually reserved, vehemently, for women?
Whereas Mr. Russell just looks at whether people can get their way, the introduction of significance allows us, as observers, to take a view about whether powerful people are affecting things in a manner that matters to us.
Ed Bradley probed powerful and relevant people, mostly white, in a manner that was virtually never displayed then and rarely seen now.
It also calls for "traffic mixing", blending the persona controllers' internet usage with the usage of people outside Centcom in a manner that must offer "excellent cover and powerful deniability".
The Department of Education says that these are "powerful incentives that should be used to reward and motivate the most effective teachers in a manner that does not promote one-size fits all approach".
