"gain vigor" is a correct and usable phrase in written English.
You can use it to indicate a surge of energy or strength, often used figuratively. For example, "I decided to take on the project, gaining new vigor for my work."
"The fact that Nissan has gained vigor is something we welcome," said Ryuji Araki, executive vice president of Toyota, acknowledging the threat from rivals.
Over the course of the hourlong concert, the playing steadily gained vigor and focus, moving from a slightly unsteady account of the Concerto No. 3 to an alluring No. 5 and a sensationally vivid No. 1.
This inquiry may now gain renewed vigor because up to now Mr. Kohl has been able to deflect or refuse to answer questions by invoking his right not to incriminate himself in the judicial investigation.
Fractured politics has also undermined the tiny nation of Belgium, where decades-long efforts to break the country into separate French and Flemish-speaking nations gained new vigor after elections this summer.
Nonetheless, the results of VIGOR gain credibility because similar results were reported in the Adenomatous Polyp Prevention on Vioxx (APPROVe) trial [ 28], a study of patients with a history of colorectal adenomas in which cardiovascular events were prospectively defined and collected.
As with the Colorado River delta, gains in vegetation vigor as measured by satellite vegetation indices following the flows were temporary.
Notwithstanding current economic conditions, large sections of Turkish society are also grateful for more than a decade of sustained economic growth under Erdogan's leadership, where Turkish nationalism, with an Islamist tinge, has gained verve and vigor.
"The tiger cubs are doing great, they are taking their bottles with vigor and gaining weight every day.
To review the methodological insights gained from the CLASS and VIGOR coxib trials and make suggestions for primary safety outcomes in future trials.
