YOU SAID:
Can I please eat some pizza?
INTO JAPANESE
ピザを食べてもいいですか?
BACK INTO ENGLISH
Can I eat pizza?
INTO JAPANESE
ピザを食べることができるか。
BACK INTO ENGLISH
You can eat pizza?
INTO JAPANESE
あんたも?
BACK INTO ENGLISH
You can eat pizza?
That didn't even make that much sense in English.