YOU SAID:
I beat my cousin to death
INTO JAPANESE
私はいとこを倒して死にました
BACK INTO ENGLISH
I killed my cousin and died
INTO JAPANESE
いとこを殺して死んだ
BACK INTO ENGLISH
Killed cousin and died
INTO JAPANESE
いとこを殺して死んだ
BACK INTO ENGLISH
Killed cousin and died
That didn't even make that much sense in English.