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.
broach something with someone
and broach something to someoneto 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.