YOU SAID:

Then I promise you, I promise you, that I shall never breathe again.

INTO JAPANESE

じゃあ約束する二度と呼吸しないと約束する

BACK INTO ENGLISH

Then I promise you I won't breathe again.

INTO JAPANESE

それなら二度と呼吸しないと約束する

BACK INTO ENGLISH

Then I promise I won't breathe again.

INTO JAPANESE

それなら二度と息をしないと約束する

BACK INTO ENGLISH

Then I promise I won't breathe again.