don`t smile at the person in trouble的句子中哪个词错了

don`t smile at the person in trouble的句子中哪个词错了
don`t smile at the person in trouble的句子中哪个词错了

don`t smile at the person in trouble的句子中哪个词错了
不能用smile,要用laugh
laugh at有嘲笑的意思,smile at 我是没听说过.