😢mặt khócA crying face with a single tear. Conveys sadness, grief or disappointment — usually milder than the loudly crying face.
😭mặt khóc toLoudly crying face. Means intense crying, heartbreak and drama. Use it for grief, tears and laughing so hard you cry.
☹️mặt cau màyA classic frowning face. Conveys sadness and unhappiness — one of the original emoticon faces.
😔mặt trầm ngâmA pensive face with a downcast gaze. Conveys sadness, disappointment or quiet reflection — "thinking about something not great".
🥺mặt cầu xinA pleading face. Means begging, puppy eyes and please. Use it for cute requests and guilt trips.