broach with

broach (something) with (someone)

To mention or discuss something with someone. I wouldn't broach that topic with him unless you want to hear about it for hours. Everyone knows you shouldn't broach the issues of politics or religion at a dinner party.
See also: broach
Farlex Dictionary of Idioms.

broach something with someone

 and broach something to someone
to mention something to someone; to bring up an idea to someone. I hate to be the one to have to broach this to you, but your trousers are torn. This delicate matter must be broached with Mr. Rogers.
See also: broach
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • broach (something) to (someone)
  • broach (something) with (someone)
  • broach to
  • a mine of information
  • dead horse
  • a vexed question
  • open (one's) mind (to something)
  • open mind
  • open your mind to
  • opening