be not much of a (something)

be not much of a (something)

To be particularly unimpressive in some capacity. She's a brilliant director, but she's not much of a writer. It isn't much of a hotel—just an inn with a few rooms to rent, really.
See also: much, not, of
Farlex Dictionary of Idioms.

not be much of a something

not be a good something: You’re not much of a help, standing there with your hands in your pockets. I’m not much of a cook. It wasn’t much of a speech really.
See also: much, not, of, something
Farlex Partner Idioms Dictionary
See also:
  • not be much of a something
  • be dragging (one's) feet
  • be dragging your feet
  • as the case may be
  • athlete
  • be a (something) in the making
  • crisis
  • come out on top
  • have (one's) heart on (one's) sleeve
  • dodge the column