what's grandma like?这个句子有语法问题吗?我知道what does grandma look like?是对的

what's grandma like?这个句子有语法问题吗?我知道what does grandma look like?是对的

没有语法问题
what's grandma like?你奶奶怎样?

be like 是问个性方面。 可以回答 She is friendly / kind / funny / humorous...
look like 是问相貌 可以回答 She is thin / tall / short/has white hair...

没问题，七年级英语就有这两个句式

What does grandma like ? 也可以