YOU SAID:

Hello you were really rude so don't do it again or sumthin might happen to you and yes that is a threat

INTO JAPANESE

こんにちは、あなたは本当に失礼だったので、それを二度としないでください。

BACK INTO ENGLISH

Hi, you were really rude, don't do it again.

INTO JAPANESE

こんにちは、あなたは本当に失礼でした、二度としないでください。

BACK INTO ENGLISH

Hello, you were really rude, please do not ever again.

INTO JAPANESE

こんにちは、あなたは本当に失礼でした、二度としないでください。

BACK INTO ENGLISH

Hello, you were really rude, please do not ever again.