Student or Learner
I want to tell my friend A that his skill is far ahead from that of Friend B.
Is it grammatically okay to say
"He's not within your caliber"
Is there another way to say it?
Thank you so much for any suggestions!
I'm not a teacher. I speak American English. I've tutored writing at the University of Southern Maine and have done a good deal of copy editing and writing, occasionally for publication.