YOU SAID:

i hate that you are boinking my grandfather

INTO JAPANESE

私はあなたが私の祖父を怒らせているのが嫌いです

BACK INTO ENGLISH

i hate you pissing my grandfather off

INTO JAPANESE

私はあなたが私の祖父を怒らせるのが嫌いです

BACK INTO ENGLISH

i hate you pissing my grandfather off