Senses
嘴脸/ 嘴臉 look
appearance; countenance; facial features (often used in a negative or derogatory way to describe a person's ugly or despicable look)
嘴脸/ 嘴臉 dignity
(literary) self-respect or face; the ability to hold one's head up in front of others
嘴脸/ 嘴臉 attitude
look or expression; the specific facial attitude shown to someone, often used in negative contexts like giving someone a "cold face"
嘴脸/ 嘴臉 grimace
facial expression, often ugly or contorted, expressing pain, contempt, or disgust