The phrase "enhance their skill" is correct and usable in written English.
It means to make a skill better or more advanced. You can use it when talking about someone improving a particular skill they have. For example: "The course aims to help students enhance their skill in public speaking."
Male high school athletes do not have to choose between their school and the programs that enhance their skills.
Other students practice music, rehearse drama, experiment with scientific hypotheses or maybe enhance their skills for the debate team.
Although some players took steroids to enhance their skills, many older players no doubt took them to continue to perform over long, arduous seasons.
Those students, mostly 30-ish middle managers and professionals trying to enhance their skills, cannot be with her in a Penn State classroom at a set time.
If you give them the opportunity to enhance their skills with staff training, your business will have a better chance to grow".
In this era, where the specialist coach is king, perhaps Australia should appoint someone specifically to enhance their skills at running between the wickets.
It gives students the opportunity to enhance their skills and gain the exposure necessary to secure an extremely valuable professional contract.
"It's a testament to someone working hard and spending the time it takes to enhance their skills, develop their skills to find a way to make themselves invaluable to teams in the league".
"When immigrants are able to work legally — even for a limited time — their wages increase, they seek work compatible with their skill level, and they enhance their skills to obtain higher wages, all of which benefits State economies by increasing income and growing the tax base," the brief explains.
