YOU SAID:

I have a background in Painting

INTO JAPANESE

私は絵画のバックグラウンドを持っています

BACK INTO ENGLISH

I have a background of painting

INTO JAPANESE

私は絵の背景を持っています

BACK INTO ENGLISH

I have a background of the picture

INTO JAPANESE

私は絵の背景を持っています

BACK INTO ENGLISH

I have a background of the picture