脸色发紫: one's face turns purple with anger [rage].; with a frightened face; black in the face
脸色: 1.(气色) complexion; look 短语和例子他这几天脸色好。 he looks well these days.2.(表情) facial expression; face; expression; visage; countenance; puss 短语和例子观察人的脸色 read one's face; 他脸色苍白。 his face blanched.