YOU SAID:
Flat earth theorists have no idea what they're saying.
INTO JAPANESE
フラットアース理論家は、彼らが何を言っているのか分かりません。
BACK INTO ENGLISH
Flat earth theorists do not know what they are talking about.
INTO JAPANESE
フラットアース理論家は、彼らが何を話しているのか分からない。
BACK INTO ENGLISH
Flat earth theorists do not know what they are talking about.
Come on, you can do better than that.