have enough on your plate

have enough on (one's) plate

To be sufficiently busy or preoccupied with work, problems, or difficulties as to be unable or unwilling to cope with anything more. I really wish I could help you move this weekend, but I have enough on my plate as it is!
See also: enough, have, on, plate
Farlex Dictionary of Idioms.

have enough on your plate

or

have a lot on your plate

COMMON If you have enough on your plate or have a lot on your plate, you have a lot of work to do or a lot of things to deal with. I'm sorry to bother you with it, Mark, but John's got enough on his plate. I have a lot on my plate over the next year with the Olympics coming up. Note: You can also say that someone has their plate full or has a full plate. I'm making no promises. My staff have their plate full at the present time.
See also: enough, have, on, plate
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • have enough on (one's) plate
  • not able to see the forest for the trees
  • not able to see the wood for the trees
  • catch at a bad time
  • catch (one) at a bad time
  • catch (one) on the hop
  • catch somebody on the hop
  • catch someone on the hop
  • caught on the hop
  • not see beyond/past the end of your nose