YOU SAID:

it is impossible to kill yourself twice.

INTO JAPANESE

自分を二度殺すために不可能です。

BACK INTO ENGLISH

It is impossible to kill herself 2 once.

INTO JAPANESE

一度 2 自分自身を殺すために不可能です。

BACK INTO ENGLISH

Once 2 is impossible to kill yourself.

INTO JAPANESE

一度 2 は自分を殺すことは不可能です。

BACK INTO ENGLISH

Once 2 is impossible to kill yourself.