YOU SAID:

This is impossible blah oog blah

INTO JAPANESE

これは不可能だ

BACK INTO ENGLISH

this is impossible

INTO JAPANESE

不可能だよ

BACK INTO ENGLISH

it's impossible

INTO JAPANESE

それは不可能だ

BACK INTO ENGLISH

it is impossible

INTO JAPANESE

それは不可能です

BACK INTO ENGLISH

it is impossible