How to say I can't speak _ [well]. in Arabic language, study the correct pronunciation and look for the words analysis.
لا اتكلم العربية (جيدا) means I can't speak _ [well]. in Arabic language
Translating each word from Arabic to English the meaning is:
لا اتكلم العربية (جيدا)
no I speak Arabic (well)
لا اتكلم العربية (جيدا)