开诚布公

开诚布公 [kāi chéng bù gōng]

1. ■ speak frankly and sincerely; be frank and above-board; have a frank and straight talk; in all sincerity and frankness; lay all the cards on the table; make a frank statement without reservations; open oneself; open one's heart to sb.; speak candidly and honestly about ...; talk frankly without hedging about; talk it over plainly; wear one's heart on one's sleeve