The phrase "are less skilled at" is correct and usable in written English.
It can be used to compare the skill levels of different individuals or groups in a specific area or task.
Example: "While some employees excel in technical skills, others are less skilled at communication."
Alternatives: "have lower proficiency in" or "are not as adept at".
They are less skilled at doing things, especially if student or teaching unions take to the streets.
Many schools are now adept at tackling the ubiquitous microaggression, "That's so gay!" Yet we are less skilled at challenging – or even identifying – transphobia.
Mr. Woodruff contrasted his care with that of soldiers, finding that Veterans Administration regional medical centers provide retired soldiers with good care but that local V.A. hospitals are less skilled at dealing with complex problems like traumatic brain injuries.
That's justified, says Black, because CanWest execs are less skilled at running newspapers.
The bar is set much higher for their participation, and there is a stubborn perception that women are less skilled at math and science.
Youth need more support than adults because they are less skilled at expressing their trauma-related concerns and have fewer informal and formal sources of support and psychological coping (Kliewer et al. 1998).
But he was less skilled at closing a deal.
Those creatures won't likely be "fit" in a traditional evolutionary sense, in that they will be less skilled at collecting food or avoiding predators.
Whilst magnificent when given uninterrupted opportunity to rant, Brand is less skilled as an interrogator – At any moment I expected him to stamp his feet and scream 'BUT IT'S NOT FAAAAAAIR!'.
But they are less skilled than Mr Chávez at making news.
Players who are less skilled in controlling knee flexion during landing may also fatigue faster compared with skilled players [ 36].
