madina 'amrikiyya kabiira
madinatun 'amrikiyyatun kabiiratun
You cannot mix and match like the computer voice. Adjectives must agree with the noun.
"New York is an American big city". Why is it wrong?
Sounds unnatural to a native english speaker. You could say it if you were already talking about big cities, and wanted to specify that it was american, tho
Yup wondering too why is it wrong
New york is a big american city
Both the way I wrote it and the way you write it are good...