YOU SAID:

I dont want to be the first through this door, you go first.

INTO JAPANESE

私はこのドアを最初に通過したくない、あなたが先に行きます。

BACK INTO ENGLISH

I don't want to go through this door first, you go first.

INTO JAPANESE

私はこのドアを最初に通過したくありません。あなたが先に行きます。

BACK INTO ENGLISH

I don't want to go through this door first. You go first.

INTO JAPANESE

まずこのドアを通りたくない。君が先だ

BACK INTO ENGLISH

I don't want to go through this door first. You go first.