The phrase "are not only knowledgeable" is correct and usable in written English.
It can be used when emphasizing that someone possesses knowledge along with other qualities or attributes.
Example: "The team members are not only knowledgeable but also highly skilled in their respective fields."
Alternatives: "are not just knowledgeable" or "are more than just knowledgeable".
"He's not only knowledgeable about plants, he's knowledgeable about campus," she says.
I was lucky: the scope of my masters degree at the University of Sheffield, completed in 2012, was wide and varied, and the lecturers were not only knowledgeable but incredibly supportive.
They found a chemist who was not only knowledgeable, and an expert, but had the same quality standards as Zach.
They were not only knowledgeable, but personable.
Obviously, this entails that the teachers be not only knowledgeable in the content area that the simulation will anchor, but also adept at using the simulation itself or at least willing to learn it along with the students.
The initial translation was accomplished by two trained screeners, thus the translators were not only knowledgeable about local expressions of psychological suffering, but also about clinical diagnostics, procedures and concepts.
These days sommeliers at least in top restaurants–are not only highly knowledgeable, but passionate about wine.
Remember that you are not only showcasing how knowledgeable, personable, and genuine you are, you also must give a visual representation of yourself that show you take care of yourself and stand out of a crowd.
A key outcome of the 15-year strategy must be the development of communities that are not only risk informed but also knowledgeable about risk, and therefore understand how to eliminate or mitigate underlying drivers of risk and how to build back better after a disaster.
These are individuals who are not only URM scholars but who are knowledgeable of their particular experiences (e.g., coming from an MSI).
