開誠布公 [ㄎㄞ ㄔㄥˊ ㄅㄨˋ ㄍㄨㄥ; kai1 cheng2 bu4 gong1] lit. deal sincerely and fairly (idiom); frank and open-minded plain speaking Let's talk frankly and openly between ourselves. to put one's cards on the table ◄ ►