YOU SAID:

you will not know how surprisingly erect i am

INTO JAPANESE

あなたは私がどれほど驚くほど勃起しているのか分かりません

BACK INTO ENGLISH

You don't know how surprisingly I have an erection

INTO JAPANESE

意外と勃起したのか分からない

BACK INTO ENGLISH

I don't know if I had an erection unexpectedly

INTO JAPANESE

意外と勃起したかどうかわからない

BACK INTO ENGLISH

I don't know if I had an erection unexpectedly