我妈妈不能来参加家长会，因为他得照看我外婆的翻译：My mother could not come to parents ' Association, because he had to take care of my grandmother 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

My mother can not come to parents, because he had to take care of my grandmother

My mother could not come to parents ' Association, because he had to take care of my grandmother

My mother cannot attend the parents' meeting, because he must look after my grandmother

Parents will be unable to participate in my mother, because he was caring for my grandma's

My mother could not come to parents ' Association, because he had to take care of my grandmother