失恃 Traditional form: 失恃 Pinyin (reading): shīshì Definitions: to lose sb one relies upon to lose one's mother Characters: 失 - to lose; to make a mistake, to neglect 恃 - to trust, to rely on; to presume Traditional characters: 失 - to lose; to make a mistake, to neglect 恃 - to trust, to rely on; to presume