kāi​chéng​bù​gōng

frank

开诚布公 (開誠布公) kāi​chéng​bù​gōng
frank verb
sincere, honest, and open-minded in one's dealings or attitude

His openness and honesty won the trust of his partners.

plain-speaking idiom
to communicate without concealment; to speak openly or put one's cards on the table

Since everyone is here, let's talk openly and honestly about the problems with this plan.

Frequency

Movie subtitles
3.99 per million appears in 2% of films
Written text
0.485 per million

Sources

Definitions
CC-CEDICT