YOU SAID:

I'm Stingy and it's mine.

INTO JAPANESE

けちと私のものです。

BACK INTO ENGLISH

It is stingy with my stuff.

INTO JAPANESE

それは私のものにけちです。

BACK INTO ENGLISH

It is to me that is stingy.

INTO JAPANESE

私にはけちです。

BACK INTO ENGLISH

It is mean to me.

INTO JAPANESE

私に意地悪です。

BACK INTO ENGLISH

It is mean to me.