There are several synonyms for the phrase "acquire through labor." One common phrase is "earn through hard work," which suggests that the acquisition was achieved through personal effort and dedication. Another similar phrase is "obtain through toil," which emphasizes the physical exertion and struggle that may have been required to attain the desired outcome. "Gain through perseverance" is another phrase that implies the individual had to overcome obstacles and challenges along the way. "Attain through diligence" is also a suitable synonym as it suggests that the individual had to be consistent and disciplined in their efforts to achieve their goal. Regardless of the specific phrase used, all of these options convey the idea that the acquisition was the result of effort and determination.