YOU SAID:
How did Mona find out?
INTO JAPANESE
モナはどうやって知りましたか?
BACK INTO ENGLISH
How did you know Mona?
INTO JAPANESE
なんで知ってるんですか?
BACK INTO ENGLISH
How did you know?
INTO JAPANESE
なんで知ってるんですか?
BACK INTO ENGLISH
How did you know?
That didn't even make that much sense in English.