YOU SAID:

A guy is sitting at home when he hears a knock at the door.

INTO JAPANESE

男が家に座っていたとき、ドアをノックする音が聞こえた。

BACK INTO ENGLISH

The man was sitting in the house when he heard a knock on the door.

INTO JAPANESE

男が家に座っていたとき、ドアをノックする音が聞こえた。

BACK INTO ENGLISH

The man was sitting in the house when he heard a knock on the door.