Correct

心口如一

/ xīnkǒu rú yī / 
Strokes

Definition

lit. heart and mouth as one (idiom); to say what you think/honest and straightforward

Example

Definition

say what one thinks; be frank and forthright; speak from one's heart; speak the mind

1
Tā
他
xīnkǒurúyī
心口如一
  
。

His words are in complete accord with his thoughts.

2
Xīnkǒurúyī
心口如一
de
的
rén
人

a man who means what he says