point out
1．explain解释
He pointed out that it was not his fault．他解释说这不是他的过错。
I pointed out the advantages of the plan．我说明了这计划的优点。
2．call to attention唤起注意
The policeman pointed out that the law forbids public sale of firecrackers．警察指出法律禁止公开销售鞭炮。
It was pointed out to him that his application had arrived too late．有人向他指出，他的申请交来太晚了。
When the mistake was pointed out to him he hastened to correct it．人们向他指出错误时，他赶紧纠正。