Open your mouth
Open to the heart, Chinese idioms, Pinyin is k ā IK ǒ Uji à nx ī n, meaning to speak directly, no hidden song. From Zhu Zi Yu Lei.
The origin of Idioms
The 19th volume of Zhuzi Yu Lei by Zhu Xi of Song Dynasty: "when a sage speaks, he will not say half of it, but hide half of it."
Idiom usage
It refers to a person who speaks directly. He is an open-minded person and never speaks euphemistically.
Open your mouth
console the people and punish the wicked - diào mín fá zuì