talk sense
To present a reasonable, logical, and coherent standpoint; to speak clearly and rationally. You're not talking sense, Bill—how on earth would a plan like that be feasible? I'm glad someone is finally talking some sense in this meeting!
talk sense
Speak rationally and coherently, as in Ranting and raving won't help; it's time we talked sense, or I wish you'd talk some sense into that son of yours. Shakespeare used this idiom in slightly different form in The Merry Wives of Windsor (2:1): "Believe it, Page, he speaks sense."
talk sense
To speak rationally and coherently.