ReadWriteQuiz
Chinese dictionary
be frank and forthright; speak from the heart; he means what he says and says what he means
心口如一之人
a man who means what he says
他总是心口如一。
His words are always in complete accord with his thoughts.
他是个心口如一的人,完全可以信赖。
You can count on him as he is a man who speaks his mind.