A good racehorse, on the other hand, may be worth twenty thousand dollars.
The expensive horses are more likely to turn out to be good racehorses than the inexpensive ones.
She was a good racehorse when she was 2.
Fenian raced as a two-year-old, and was held to be a good racehorse then.
(Mind you, I am never quite sure that he isn't referring to the rather good racehorse of that name.)
His best son was Buccaneer, a good racehorse who became an excellent stallion.
Black Toney was a good racehorse but far from a great one.
Thus ended the career of a good racehorse and a mighty sultan at the age of twenty-seven years.
Chercheuse was a good racehorse, but below top class, winning five times in France including two Listed races.
Aristides: 1840 colt, out of a Lottery mare, and a good racehorse.