面和心不和

miànhéxīnbùhé ㄇㄧㄢˋ ㄏㄜˊ ㄒㄧㄣ ㄅㄨˋ ㄏㄜˊ

    • to seem on good terms outwardly but be at odds inwardly

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
peaceful in face, not in heart
Meaning
Two people seem on good terms outwardly but are at odds inwardly. Critical.

Sources