他 / 犯 / 了 / 错 / 只好 / 向 / 老师 / 求情告饶 / 希望 / 从轻 / 处罚他犯了错,只好向老师求情告饶,希望从轻处罚。He made a mistake and had to beg the teacher for forgiveness, hoping for a lighter punishment.