The phrase "a powerful horse" is correct and usable in written English.
You can use it to describe a horse that has great strength or capability, often in the context of racing, work, or physical prowess.
Example: "The jockey chose a powerful horse for the race, confident in its ability to win."
Alternatives: "a strong horse" or "a mighty horse".
Kaurismäki's movie moves lightly but elegantly and quickly, like a little jockey on a powerful horse.
PC Adrian Parsons, a Kent police drugs expert, said that the use of ketamine, a powerful horse tranquilliser, and a more potent form of ecstasy were on the rise, but cocaine "we see all over the place".
Together, they provided the millions who were watching the stirring sight of a rider making a decision on how to win a great race, and a powerful horse carrying the plan through.
Before she ambled into the gate for the $750,000 Grade I Alabama Stakes, Flute was thought to be a stone cold closer -- a powerful horse who would spot competitors some lengths and run them down in the stretch.
Robbins and Becher are documenting a similar reversal and reinterpretation of the cowboy here, particularly in showing a black man with cornrows commanding a powerful horse, the speed of their ride apparent against the blurred background.
Ketamine, a powerful horse tranquilizer and anaesthetic is an increasingly popular drug of choice for teenagers.
"He's a big, powerful horse, a strong traveller and unbelievably hardy".
When he regained consciousness, and afterwards his memory of what had really happened, Montaigne learnt that it was not a shot, but one of his servants, a muscular man on a more powerful horse, who had mistakenly charged past and hit him.
Morgans appear to be a strong powerful horse, and the breed is well known as an easy keeper.
He has matured into a mighty, powerful horse, and he's very brave.
"We haven't worked him fast or anything like that, but everybody that rides him says he feels like he's a very powerful horse".
