YOU SAID:

You shouldn’t talk with you’re mouth full because it ain’t polite.

INTO JAPANESE

礼儀正しくないので、口いっぱいに話すべきではありません。

BACK INTO ENGLISH

You shouldn't talk too much because it's not polite.

INTO JAPANESE

礼儀正しくないので、あまりしゃべってはいけません。

BACK INTO ENGLISH

It's not polite, so don't talk too much.

INTO JAPANESE

礼儀正しくないので、あまりしゃべらないでください。

BACK INTO ENGLISH

It's not polite, so please don't talk too much.

INTO JAPANESE

礼儀正しくないので、あまりしゃべらないでください。

BACK INTO ENGLISH

It's not polite, so please don't talk too much.