have a working knowledge of something

have a working knowledge of (something)

To have a limited but usable knowledge of something. I have a working knowledge of this computer system, so I think I can help you.
See also: have, knowledge, of, working
Farlex Dictionary of Idioms.

have a ˌworking ˈknowledge of something

know something well enough to be able to use it: I speak good French and I have a working knowledge of Italian and Spanish. I’ve used this software a bit so I do have a working knowledge of it.
See also: have, knowledge, of, something, working
Farlex Partner Idioms Dictionary
See also:
  • have a working knowledge of (something)
  • to (one's) knowledge
  • to your knowledge
  • to the best of (one's) knowledge
  • knowledge
  • be on the same page
  • on the same page, to be
  • a little knowledge is a dangerous thing
  • little knowledge is a dangerous thing
  • little knowledge is a dangerous thing, a