开诚布公

kāi chéng bù gōng

to speak frankly and sincerely

Character by character

开kāi
open up

诚chéng
sincerity

布bù
spread

公gōng
fairness

我们开诚布公地谈一谈吧。

Let us talk frankly and openly.

Tone: positive (praise).

Learn this in Lesson 109 · HSK 7–9: 商务沟通 (Business talk and business email)

A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.