YOU SAID:

I will kill everybody in this room one by one.

INTO JAPANESE

私はこの部屋一つずつでみんなを殺すでしょう。

BACK INTO ENGLISH

I will kill everyone in this room one at a time.

INTO JAPANESE

私は一度に 1 つこの部屋の皆を殺します。

BACK INTO ENGLISH

I at once kill everyone in this room the one.

INTO JAPANESE

私はすぐにこの部屋に誰も 1 つを殺します。

BACK INTO ENGLISH

I quickly kills the one who in this room.

INTO JAPANESE

私はすぐに 1 つを殺す人この部屋で。

BACK INTO ENGLISH

I kill soon one person in this room.

INTO JAPANESE

私はこの部屋ですぐに人を殺します。

BACK INTO ENGLISH

I now kill people in this room.

INTO JAPANESE

私は今、この部屋に人を殺します。

BACK INTO ENGLISH

Me now kill people in this room.

INTO JAPANESE

私は今、この部屋に人を殺します。

BACK INTO ENGLISH

I will kill people in this room now.

INTO JAPANESE

私は今この部屋にいる人々を殺します。

BACK INTO ENGLISH

I will kill people in this room now.