YOU SAID:

halfway to deaths door

INTO JAPANESE

ドアの途中で死亡

BACK INTO ENGLISH

Dead on the way to the door.

INTO JAPANESE

ドアに向かう途中で死んだ

BACK INTO ENGLISH

He died on his way to the door.

INTO JAPANESE

彼はドアに向かう途中で死んだ。

BACK INTO ENGLISH

He died on his way to the door.