beyond (one's) ken

beyond (one's) ken

Advanced beyond one's ability to understand or make sense of the subject matter or task at hand. The stuff they're teaching in this advanced math class is beyond my ken.
See also: beyond, ken
Farlex Dictionary of Idioms.

beyond one's ken

outside the extent of one's knowledge or understanding. Why she married that shiftless drunkard is beyond our ken. His mean attitude to others is quite beyond my ken.
See also: beyond, ken
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

beyond your ken

If something is beyond your ken, you do not know about it or understand it. The quirks of the antiques business were beyond his ken. The scientific subject matter is beyond the ken of the average person. Note: `Ken' here means the full range of someone's knowledge or understanding. The Scottish verb `ken' means `know'.
See also: beyond, ken
Collins COBUILD Idioms Dictionary, 3rd ed.

beyond your ken

outside your range of knowledge or understanding.
See also: beyond, ken
Farlex Partner Idioms Dictionary
See also:
  • beyond ken
  • beyond your ken
  • beyond/outside your ken
  • a bit beyond (one's) ken
  • ken
  • outside (one's) ken
  • be beyond (one's) ken
  • it's beyond me
  • above (one's) head
  • above your head