C943 A Poor Gift
There are several meanings to a sentence.
The 'tea' in the third class story meant that the tea was only the lowest grade of the third class tea. It was ironic that Grandma Xiao looked down on people with her dog eyes and didn't know how to read people.
Asking if it was a good tea and being forced by it, if Grandma Xiao were to change it into a good tea