☉ 唾面自干 【tuòmiànzìɡān】
　　[ drain the cup of humiliation extreme obsequiousness as one who in spat on the face and let dry without wiping ] 人家往自己脸上吐唾沫，不擦掉而让它自干。指受了侮辱，极度容忍，不加反抗，也指人不知羞耻。