The phrase "achievements of two" is correct and usable in written English.
It can be used when referring to the accomplishments or successes that involve two individuals or entities.
Example: "The achievements of two in the field of science have paved the way for groundbreaking discoveries."
Alternatives: "accomplishments of both" or "successes of the duo".
We all just spent the last several days celebrating the snowboarding achievements of two 17-year-old Olympic champions: Chloe Kim and Red Gerard.
Consisting of 32 and 31 images, respectively, and accompanied by the artist's captions, these vividly colored works depict the struggles and achievements of two 19th-century abolitionists.
The achievements of two groups of artists, members of both of which worked for the Emperor and his court, were to determine the overall development of painting in northern Europe for the next three centuries.
When he stated that the "club should have been leveled years ago, maybe even in the middle of a tournament," he invalidated the achievements of two of tennis's greatest players: Althea Gibson and Arthur Ashe.
RBS board chair Malcolm Buchanan said the bank had "never before featured a woman on its main issue bank notes" and that the new issues celebrated "the fantastic, and often overlooked, achievements of two great Scottish women".
This was a period rich with geometric discoveries, particularly in the solution of problems by analysis and other methods, and was dominated by the achievements of two figures: Archimedes of Syracuse (early 3rd century bc) and Apollonius of Perga (late 3rd century bc).
And later that day, the Nobel prize ceremony celebrated the achievements of three women who shared the peace prize.
Jury president Steven Spielberg called the three-way prize "an exceptional step" intended to recognise "the achievements of three artists".
This "exceptional step," Mr. Spielberg said as he announced the winners, was taken to recognize "the achievements of three artists".
One of the special achievements of "Nine Sinatra Songs" was how many specifics of situation, character and relationship each number conveyed.
She told The IoS: "They are caught red-handed erasing the achievements of one of their senior clinicians because they hate your newspaper for reporting bullying culture.
