YOU SAID:

Someone is at the door, and they are ringing the doorbell.

INTO JAPANESE

誰かがドアにいて、彼らはドアベルを鳴らしている。

BACK INTO ENGLISH

Someone is at the door, they are ringing the doorbell.

INTO JAPANESE

誰かがドアのところにいる、彼らはドアベルを鳴らしている。

BACK INTO ENGLISH

Someone is at the door, they are ringing the doorbell.