YOU SAID:

All of a sudden, you hear a knock at the door.

INTO JAPANESE

突然、ドアをノックする音が聞こえます。

BACK INTO ENGLISH

Suddenly, you hear a knock on the door.

INTO JAPANESE

突然、ドアをノックする音が聞こえます。

BACK INTO ENGLISH

Suddenly, you hear a knock on the door.