be beyond (one)

be beyond (one)

To be very difficult for one to comprehend or do. Why she loves sports so much is beyond me. Personally, I never saw the appeal of running around and getting sweaty. Of course I'm calling a professional—installing a new heater is beyond me.
See also: beyond
Farlex Dictionary of Idioms.

be beˈyond somebody

(informal) be impossible for somebody to imagine, understand or do: Why she decided to marry such a boring man is beyond me. Some of the questions in that exam were beyond me, I’m afraid.
See also: beyond, somebody
Farlex Partner Idioms Dictionary
See also:
  • be beyond somebody
  • beyond
  • beyond (someone or something)
  • beyond me
  • the mind boggles
  • above (one's) head
  • above your head
  • talk past (one)
  • it boggles the mind
  • a light purse makes a heavy heart