YOU SAID:

Your adventure must have been so treacherous.

INTO JAPANESE

あなたの冒険は、危険だったにちがいない。

BACK INTO ENGLISH

Your adventure is dangerous was a must have.

INTO JAPANESE

あなたの冒険は危険な必要があります。

BACK INTO ENGLISH

You need your adventure is dangerous.

INTO JAPANESE

あなたの冒険を必要があります危険です。

BACK INTO ENGLISH

It is a dangerous adventure you may have.

INTO JAPANESE

それ必要があります危険な冒険です。

BACK INTO ENGLISH

It is a dangerous adventure it should be.

INTO JAPANESE

それはする必要があります危険な冒険です。

BACK INTO ENGLISH

It is a dangerous adventure it should be.